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2012-06-01tcp: do not create inetpeer on SYNACK messageEric Dumazet
Another problem on SYNFLOOD/DDOS attack is the inetpeer cache getting larger and larger, using lots of memory and cpu time. tcp_v4_send_synack() ->inet_csk_route_req() ->ip_route_output_flow() ->rt_set_nexthop() ->rt_init_metrics() ->inet_getpeer( create = true) This is a side effect of commit a4daad6b09230 (net: Pre-COW metrics for TCP) added in 2.6.39 Possible solution : Instruct inet_csk_route_req() to remove FLOWI_FLAG_PRECOW_METRICS Before patch : # grep peer /proc/slabinfo inet_peer_cache 4175430 4175430 192 42 2 : tunables 0 0 0 : slabdata 99415 99415 0 Samples: 41K of event 'cycles', Event count (approx.): 30716565122 + 20,24% ksoftirqd/0 [kernel.kallsyms] [k] inet_getpeer + 8,19% ksoftirqd/0 [kernel.kallsyms] [k] peer_avl_rebalance.isra.1 + 4,81% ksoftirqd/0 [kernel.kallsyms] [k] sha_transform + 3,64% ksoftirqd/0 [kernel.kallsyms] [k] fib_table_lookup + 2,36% ksoftirqd/0 [ixgbe] [k] ixgbe_poll + 2,16% ksoftirqd/0 [kernel.kallsyms] [k] __ip_route_output_key + 2,11% ksoftirqd/0 [kernel.kallsyms] [k] kernel_map_pages + 2,11% ksoftirqd/0 [kernel.kallsyms] [k] ip_route_input_common + 2,01% ksoftirqd/0 [kernel.kallsyms] [k] __inet_lookup_established + 1,83% ksoftirqd/0 [kernel.kallsyms] [k] md5_transform + 1,75% ksoftirqd/0 [kernel.kallsyms] [k] check_leaf.isra.9 + 1,49% ksoftirqd/0 [kernel.kallsyms] [k] ipt_do_table + 1,46% ksoftirqd/0 [kernel.kallsyms] [k] hrtimer_interrupt + 1,45% ksoftirqd/0 [kernel.kallsyms] [k] kmem_cache_alloc + 1,29% ksoftirqd/0 [kernel.kallsyms] [k] inet_csk_search_req + 1,29% ksoftirqd/0 [kernel.kallsyms] [k] __netif_receive_skb + 1,16% ksoftirqd/0 [kernel.kallsyms] [k] copy_user_generic_string + 1,15% ksoftirqd/0 [kernel.kallsyms] [k] kmem_cache_free + 1,02% ksoftirqd/0 [kernel.kallsyms] [k] tcp_make_synack + 0,93% ksoftirqd/0 [kernel.kallsyms] [k] _raw_spin_lock_bh + 0,87% ksoftirqd/0 [kernel.kallsyms] [k] __call_rcu + 0,84% ksoftirqd/0 [kernel.kallsyms] [k] rt_garbage_collect + 0,84% ksoftirqd/0 [kernel.kallsyms] [k] fib_rules_lookup Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Hans Schillstrom <hans.schillstrom@ericsson.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-018139cp/8139too: terminate the eeprom access with the right opmodeJason Wang
Currently, we terminate the eeprom access through clearing the CS by: RTL_W8 (Cfg9346, ~EE_CS); or writeb (~EE_CS, ee_addr); This would left the eeprom into "Config. Register Write Enable:" state which is not expcted as the highest two bits were set to 0x11 ( expected is the "Normal" mode (0x00)). Solving this by write 0x0 instead of ~EE_CS when terminating the eeprom access. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-018139cp: set ring address before enabling receiverJason Wang
Currently, we enable the receiver before setting the ring address which could lead the card DMA into unexpected areas. Solving this by set the ring address before enabling the receiver. btw. I find and test this in qemu as I didn't have a 8139cp card in hand. please review it carefully. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-01cipso: handle CIPSO options correctly when NetLabel is disabledPaul Moore
When NetLabel is not enabled, e.g. CONFIG_NETLABEL=n, and the system receives a CIPSO tagged packet it is dropped (cipso_v4_validate() returns non-zero). In most cases this is the correct and desired behavior, however, in the case where we are simply forwarding the traffic, e.g. acting as a network bridge, this becomes a problem. This patch fixes the forwarding problem by providing the basic CIPSO validation code directly in ip_options_compile() without the need for the NetLabel or CIPSO code. The new validation code can not perform any of the CIPSO option label/value verification that cipso_v4_validate() does, but it can verify the basic CIPSO option format. The behavior when NetLabel is enabled is unchanged. Signed-off-by: Paul Moore <pmoore@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-01Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs changes from Al Viro. "A lot of misc stuff. The obvious groups: * Miklos' atomic_open series; kills the damn abuse of ->d_revalidate() by NFS, which was the major stumbling block for all work in that area. * ripping security_file_mmap() and dealing with deadlocks in the area; sanitizing the neighborhood of vm_mmap()/vm_munmap() in general. * ->encode_fh() switched to saner API; insane fake dentry in mm/cleancache.c gone. * assorted annotations in fs (endianness, __user) * parts of Artem's ->s_dirty work (jff2 and reiserfs parts) * ->update_time() work from Josef. * other bits and pieces all over the place. Normally it would've been in two or three pull requests, but signal.git stuff had eaten a lot of time during this cycle ;-/" Fix up trivial conflicts in Documentation/filesystems/vfs.txt (the 'truncate_range' inode method was removed by the VM changes, the VFS update adds an 'update_time()' method), and in fs/btrfs/ulist.[ch] (due to sparse fix added twice, with other changes nearby). * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (95 commits) nfs: don't open in ->d_revalidate vfs: retry last component if opening stale dentry vfs: nameidata_to_filp(): don't throw away file on error vfs: nameidata_to_filp(): inline __dentry_open() vfs: do_dentry_open(): don't put filp vfs: split __dentry_open() vfs: do_last() common post lookup vfs: do_last(): add audit_inode before open vfs: do_last(): only return EISDIR for O_CREAT vfs: do_last(): check LOOKUP_DIRECTORY vfs: do_last(): make ENOENT exit RCU safe vfs: make follow_link check RCU safe vfs: do_last(): use inode variable vfs: do_last(): inline walk_component() vfs: do_last(): make exit RCU safe vfs: split do_lookup() Btrfs: move over to use ->update_time fs: introduce inode operation ->update_time reiserfs: get rid of resierfs_sync_super reiserfs: mark the superblock as dirty a bit later ...
2012-06-01Merge tag 'ext4_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull Ext4 updates from Theodore Ts'o: "The major new feature added in this update is Darrick J Wong's metadata checksum feature, which adds crc32 checksums to ext4's metadata fields. There is also the usual set of cleanups and bug fixes." * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (44 commits) ext4: hole-punch use truncate_pagecache_range jbd2: use kmem_cache_zalloc wrapper instead of flag ext4: remove mb_groups before tearing down the buddy_cache ext4: add ext4_mb_unload_buddy in the error path ext4: don't trash state flags in EXT4_IOC_SETFLAGS ext4: let getattr report the right blocks in delalloc+bigalloc ext4: add missing save_error_info() to ext4_error() ext4: add debugging trigger for ext4_error() ext4: protect group inode free counting with group lock ext4: use consistent ssize_t type in ext4_file_write() ext4: fix format flag in ext4_ext_binsearch_idx() ext4: cleanup in ext4_discard_allocated_blocks() ext4: return ENOMEM when mounts fail due to lack of memory ext4: remove redundundant "(char *) bh->b_data" casts ext4: disallow hard-linked directory in ext4_lookup ext4: fix potential integer overflow in alloc_flex_gd() ext4: remove needs_recovery in ext4_mb_init() ext4: force ro mount if ext4_setup_super() fails ext4: fix potential NULL dereference in ext4_free_inodes_counts() ext4/jbd2: add metadata checksumming to the list of supported features ...
2012-06-01x86: get rid of calling do_notify_resume() when returning to kernel modeAl Viro
If we end up calling do_notify_resume() with !user_mode(refs), it does nothing (do_signal() explicitly bails out and we can't get there with TIF_NOTIFY_RESUME in such situations). Then we jump to resume_userspace_sig, which rechecks the same thing and bails out to resume_kernel, thus breaking the loop. It's easier and cheaper to check *before* calling do_notify_resume() and bail out to resume_kernel immediately. And kill the check in do_signal()... Note that on amd64 we can't get there with !user_mode() at all - asm glue takes care of that. Acked-and-reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01blackfin: check __get_user() return valueAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01whack-a-mole with TIF_FREEZEAl Viro
blackfin has reintroduced it, completely unused. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01FRV: Optimise the system call exit path in entry.S [ver #2]David Howells
Optimise the system call exit path in entry.S by packing some instructions. Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01FRV: Shrink TIF_WORK_MASK [ver #2]David Howells
Shrink TIF_WORK_MASK so that it will fit in the 12-bit signed immediate operand field of an ANDI instruction. Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01FRV: Prevent syscall exit tracing and notify_resume at end of kernel exceptionsDavid Howells
Move the test for kernel mode processing from do_signal() into entry.S to also prevent system call exit tracing and userspace resumption notification handling happening when returning from kernel exceptions. Reported-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01new helper: signal_delivered()Al Viro
Does block_sigmask() + tracehook_signal_handler(); called when sigframe has been successfully built. All architectures converted to it; block_sigmask() itself is gone now (merged into this one). I'm still not too happy with the signature, but that's a separate story (IMO we need a structure that would contain signal number + siginfo + k_sigaction, so that get_signal_to_deliver() would fill one, signal_delivered(), handle_signal() and probably setup...frame() - take one). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01powerpc: get rid of restore_sigmask()Al Viro
... it's just a call of set_current_blocked() now Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01most of set_current_blocked() callers want SIGKILL/SIGSTOP removed from setAl Viro
Only 3 out of 63 do not. Renamed the current variant to __set_current_blocked(), added set_current_blocked() that will exclude unblockable signals, switched open-coded instances to it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01set_restore_sigmask() is never called without SIGPENDING (and never should be)Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01TIF_RESTORE_SIGMASK can be set only when TIF_SIGPENDING is setAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01don't call try_to_freeze() from do_signal()Al Viro
get_signal_to_deliver() will handle it itself Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01pull clearing RESTORE_SIGMASK into block_sigmask()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01sh64: failure to build sigframe != signal without handlerAl Viro
it's actually "send me SIGSEGV"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01openrisc: tracehook_signal_handler() is supposed to be called on successAl Viro
... not if sigframe couldn't have been built. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01new helper: sigmask_to_save()Al Viro
replace boilerplate "should we use ->saved_sigmask or ->blocked?" with calls of obvious inlined helper... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01new helper: restore_saved_sigmask()Al Viro
first fruits of ..._restore_sigmask() helpers: now we can take boilerplate "signal didn't have a handler, clear RESTORE_SIGMASK and restore the blocked mask from ->saved_mask" into a common helper. Open-coded instances switched... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01new helpers: {clear,test,test_and_clear}_restore_sigmask()Al Viro
helpers parallel to set_restore_sigmask(), used in the next commits Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01HAVE_RESTORE_SIGMASK is defined on all architectures nowAl Viro
Everyone either defines it in arch thread_info.h or has TIF_RESTORE_SIGMASK and picks default set_restore_sigmask() in linux/thread_info.h. Kill the ifdefs, slap #error in linux/thread_info.h to catch breakage when new ones get merged. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01dell-laptop: Remove rfkill codeMatthew Garrett
The interface just doesn't work on some machines, and Dell haven't been able to tell us either which machines those are or what we should be doing instead. This would be fine, except it results in userspace ending up confused and general sadness. So let's just rip it out for now. Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-06-01nfs: don't open in ->d_revalidateMiklos Szeredi
NFSv4 can't do reliable opens in d_revalidate, since it cannot know whether a mount needs to be followed or not. It does check d_mountpoint() on the dentry, which can result in a weird error if the VFS found that the mount does not in fact need to be followed, e.g.: # mount --bind /mnt/nfs /mnt/nfs-clone # echo something > /mnt/nfs/tmp/bar # echo x > /tmp/file # mount --bind /tmp/file /mnt/nfs-clone/tmp/bar # cat /mnt/nfs/tmp/bar cat: /mnt/nfs/tmp/bar: Not a directory Which should, by any sane filesystem, result in "something" being printed. So instead do the open in f_op->open() and in the unlikely case that the cached dentry turned out to be invalid, drop the dentry and return EOPENSTALE to let the VFS retry. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> CC: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: retry last component if opening stale dentryMiklos Szeredi
NFS optimizes away d_revalidates for last component of open. This means that open itself can find the dentry stale. This patch allows the filesystem to return EOPENSTALE and the VFS will retry the lookup on just the last component if possible. If the lookup was done using RCU mode, including the last component, then this is not possible since the parent dentry is lost. In this case fall back to non-RCU lookup. Currently this is not used since NFS will always leave RCU mode. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: nameidata_to_filp(): don't throw away file on errorMiklos Szeredi
If open fails, don't put the file. This allows it to be reused if open needs to be retried. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: nameidata_to_filp(): inline __dentry_open()Miklos Szeredi
Copy __dentry_open() into nameidata_to_filp(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_dentry_open(): don't put filpMiklos Szeredi
Move put_filp() out to __dentry_open(), the only caller now. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: split __dentry_open()Miklos Szeredi
Split __dentry_open() into two functions: do_dentry_open() - does most of the actual work, doesn't put file on failure open_check_o_direct() - after a successful open, checks direct_IO method This will allow i_op->atomic_open to do just the file initialization and leave the direct_IO checking to the VFS. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last() common post lookupMiklos Szeredi
Now the post lookup code can be shared between O_CREAT and plain opens since they are essentially the same. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): add audit_inode before openMiklos Szeredi
This allows this code to be shared between O_CREAT and plain opens. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): only return EISDIR for O_CREATMiklos Szeredi
This allows this code to be shared between O_CREAT and plain opens. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): check LOOKUP_DIRECTORYMiklos Szeredi
Check for ENOTDIR before finishing open. This allows this code to be shared between O_CREAT and plain opens. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): make ENOENT exit RCU safeMiklos Szeredi
This will allow this code to be used in RCU mode. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: make follow_link check RCU safeMiklos Szeredi
This will allow this code to be used in RCU mode. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): use inode variableMiklos Szeredi
Use helper variable instead of path->dentry->d_inode before complete_walk(). This will allow this code to be used in RCU mode. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): inline walk_component()Miklos Szeredi
Copy walk_component() into do_lookup(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: do_last(): make exit RCU safeMiklos Szeredi
Allow returning from do_last() with LOOKUP_RCU still set on the "out:" and "exit:" labels. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01vfs: split do_lookup()Miklos Szeredi
Split do_lookup() into two functions: lookup_fast() - does cached lookup without i_mutex lookup_slow() - does lookup with i_mutex Both follow managed dentries. The new functions are needed by atomic_open. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-01x86, efi: Add EFI boot stub documentationMatt Fleming
Since we can't expect every user to read the EFI boot stub code it seems prudent to have a couple of paragraphs explaining what it is and how it works. The "initrd=" option in particular is tricky because it only understands absolute EFI-style paths (backslashes as directory separators), and until now this hasn't been documented anywhere. This has tripped up a couple of users. Cc: Matthew Garrett <mjg@redhat.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/1331907517-3985-4-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-06-01x86, efi; Add EFI boot stub console supportMatt Fleming
We need a way of printing useful messages to the user, for example when we fail to open an initrd file, instead of just hanging the machine without giving the user any indication of what went wrong. So sprinkle some error messages throughout the EFI boot stub code to make it easier for users to diagnose/report problems. Reported-by: Keshav P R <the.ridikulus.rat@gmail.com> Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/1331907517-3985-3-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-06-01x86, efi: Only close open files in error pathMatt Fleming
The loop at the 'close_handles' label in handle_ramdisks() should be using 'i', which represents the number of initrd files that were successfully opened, not 'nr_initrds' which is the number of initrd= arguments passed on the command line. Currently, if we execute the loop to close all file handles and we failed to open any initrds we'll try to call the close function on a garbage pointer, causing the machine to hang. Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/1331907517-3985-2-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-06-01Btrfs: move over to use ->update_timeJosef Bacik
Btrfs had been doing it's own file_update_time so we could catch ENOSPC properly, so just update our btrfs_update_time to work with the new stuff and then we'll be fancy later. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2012-06-01fs: introduce inode operation ->update_timeJosef Bacik
Btrfs has to make sure we have space to allocate new blocks in order to modify the inode, so updating time can fail. We've gotten around this by having our own file_update_time but this is kind of a pain, and Christoph has indicated he would like to make xfs do something different with atime updates. So introduce ->update_time, where we will deal with i_version an a/m/c time updates and indicate which changes need to be made. The normal version just does what it has always done, updates the time and marks the inode dirty, and then filesystems can choose to do something different. I've gone through all of the users of file_update_time and made them check for errors with the exception of the fault code since it's complicated and I wasn't quite sure what to do there, also Jan is going to be pushing the file time updates into page_mkwrite for those who have it so that should satisfy btrfs and make it not a big deal to check the file_update_time() return code in the generic fault path. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2012-06-01drm/edid: Make the header fixup threshold tunableAdam Jackson
6 bytes seems to be a reasonable default so far, but for the desperate it's worth exposing this. [airlied: change include to module.h for this] Bugzilla: https://bugzilla.redhat.com/582559 Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-01drm/radeon: fix regression in UMS CS ioctlAlex Deucher
radeon_cs_parser_init is called by both the legacy UMS CS ioctl and the KMS CS ioctl. Protect KMS specific pieces of the code by checking that rdev is not NULL. Reported-by: Michael Burian <michael.burian@sbg.at> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-01drm/vmwgfx: Fix nasty write past alloced memory areaThomas Hellstrom
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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