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| author | Max Filippov <jcmvbkbc@gmail.com> | 2014-10-06 21:01:17 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-21 09:23:01 -0800 |
| commit | b120357fe04dd1783773d5a502d05612bb6eb5a1 (patch) | |
| tree | 7b568928853c2f5fbeb6e3d4d1a7fd456aa84c0f | |
| parent | 1d9e783748ddef36fa1ae6284da09a23904b5ef5 (diff) | |
| download | lwn-b120357fe04dd1783773d5a502d05612bb6eb5a1.tar.gz lwn-b120357fe04dd1783773d5a502d05612bb6eb5a1.zip | |
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 b9395529f02d..50084f7c01c8 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 |