sh: Fix up thread info pointer in syscall_badsys resume path.

Entry to resume_userspace expects r8 to contain current_thread_info,
which happens in all paths except for syscall_badsys, where r8 was
being inadvertently trampled. Reload it before the branch.

Signed-off-by: Hideo Saito <saito@densan.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 926b2e7b11c1..9a1837d5b54e 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -262,6 +262,7 @@ __restore_all:
 
         .align  2
 syscall_badsys:                 ! Bad syscall number
+        get_current_thread_info r8, r0
         mov     #-ENOSYS, r0
         bra     resume_userspace
          mov.l  r0, @(OFF_R0,r15)       ! Return value