diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2014-10-06 21:01:17 +0400 |
|---|---|---|
| committer | Zefan Li <lizefan@huawei.com> | 2015-02-02 17:05:16 +0800 |
| commit | 792a118bb47f8e34ca0794032a533df214fbb1fe (patch) | |
| tree | eae43caa6c2dbf6f06470b7875a84cf8208b9cd3 | |
| parent | 0e7638d87693175cc479b91a8227a27991363cf0 (diff) | |
xtensa: re-wire umount syscall to sys_oldumount
commit 2651cc6974d47fc43bef1cd8cd26966e4f5ba306 upstream.
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.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
[lizf: Backported to 3.4: adjust filename]
Signed-off-by: Zefan Li <lizefan@huawei.com>
| -rw-r--r-- | arch/xtensa/include/asm/unistd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h index 798ee6d285a1..7ab1f52f1fdd 100644 --- a/arch/xtensa/include/asm/unistd.h +++ b/arch/xtensa/include/asm/unistd.h @@ -394,7 +394,8 @@ __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 |