From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 22 Apr 2012 07:32:18 +0000 (-0400)
Subject: microblaze: ->restart_block.fn needs to be reset on rt_sigreturn
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=58e4257bc6336db015673a8cb598bd6cdbecf6d1;p=linux-beck.git

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 99b970866b29..fbdb02641821 100644
--- 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;