microblaze: ->restart_block.fn needs to be reset on rt_sigreturn

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 99b9708..fbdb026 100644 (file)
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -98,6 +98,9 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
        sigset_t set;
        int rval;
 
+       /* 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;