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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-02 21:33:37 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-02 21:33:37 (GMT)
commiteb1574270a6de8fb8d31ffc3b021e30df0afcda3 (patch)
treed154ba369f222f5108ed1a2462d815d7faadc2e5 /fs/btrfs/ioctl.c
parentaac10aaa8cc65a6fef6f5bc7d0b96035b0225a61 (diff)
parent69964ea4c7b68c9399f7977aa5b9aa6539a6a98a (diff)
downloadlinux-eb1574270a6de8fb8d31ffc3b021e30df0afcda3.tar.xz
Merge 3.4-rc5 into driver-core-next
This was done to resolve a merge issue with the init/main.c file. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 18cc23d..14f8e1f 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2262,7 +2262,10 @@ static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)
di_args->bytes_used = dev->bytes_used;
di_args->total_bytes = dev->total_bytes;
memcpy(di_args->uuid, dev->uuid, sizeof(di_args->uuid));
- strncpy(di_args->path, dev->name, sizeof(di_args->path));
+ if (dev->name)
+ strncpy(di_args->path, dev->name, sizeof(di_args->path));
+ else
+ di_args->path[0] = '\0';
out:
if (ret == 0 && copy_to_user(arg, di_args, sizeof(*di_args)))