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| author | Max Filippov <jcmvbkbc@gmail.com> | 2014-10-06 17:01:17 (GMT) |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2014-10-21 09:28:41 (GMT) |
| commit | 2651cc6974d47fc43bef1cd8cd26966e4f5ba306 (patch) | |
| tree | e2d37ac6ea82db341944ae30f7acb4432c85c2c9 /arch/xtensa | |
| parent | 61e47e9b53fcaf9fe4c3d80b4aa86c5d1e040fcb (diff) | |
| download | linux-2651cc6974d47fc43bef1cd8cd26966e4f5ba306.tar.xz | |
xtensa: re-wire umount syscall to sys_oldumount
Userspace actually passes single parameter (path name) to the umount
syscall, so new umount just fails. Fix it by requesting old umount
syscall implementation and re-wiring umount to it.
Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/include/uapi/asm/unistd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h index ee7b152..db5bb72 100644 --- a/arch/xtensa/include/uapi/asm/unistd.h +++ b/arch/xtensa/include/uapi/asm/unistd.h @@ -384,7 +384,8 @@ __SYSCALL(174, sys_chroot, 1) #define __NR_pivot_root 175 __SYSCALL(175, sys_pivot_root, 2) #define __NR_umount 176 -__SYSCALL(176, sys_umount, 2) +__SYSCALL(176, sys_oldumount, 1) +#define __ARCH_WANT_SYS_OLDUMOUNT #define __NR_swapoff 177 __SYSCALL(177, sys_swapoff, 1) #define __NR_sync 178 |