commit 02232f8d2b22708f0651dc515544f4a7ef1e0224
author Al Viro <viro@zeniv.linux.org.uk> Tue Nov 20 10:41:11 2012 -0500
committer Al Viro <viro@zeniv.linux.org.uk> Wed Nov 28 21:46:12 2012 -0500
tree 600e8848f756ad5731781d7df34d784b83be9251
parent afd3f96dc34357584763c2dc453192c78a9dbce0

microblaze: rt_sigreturn is too trigger-happy about sigaltstack errors

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

arch/microblaze/kernel/signal.c

diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 3847e5b..3903e3d 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -111,7 +111,7 @@
 
 	/* It is more difficult to avoid calling this function than to
 	 call it and ignore errors. */
-	if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->r1))
+	if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->r1) == -EFAULT)
 		goto badframe;
 
 	return rval;