sh: Force pending restarted system calls to return -EINTR.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index be194d0bd7d2..69d09c0b3498 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -216,6 +216,9 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
         sigset_t set;
         int r0;
 
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
 
@@ -250,6 +253,9 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
         sigset_t set;
         int r0;
 
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;