---

yaml --- r: 336142 b: refs/heads/master c: afd3f96 h: refs/heads/master v: v3
git-mirror · Nov 29, 2012 · 67e4ec5 · 67e4ec5
1 parent 8ff54d3
commit 67e4ec5
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Showing 2 changed files with 3 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9dc87c7b5b0a2db407e086f45cf08ca78208cc16
+refs/heads/master: afd3f96dc34357584763c2dc453192c78a9dbce0
diff --git a/trunk/arch/score/kernel/signal.c b/trunk/arch/score/kernel/signal.c
@@ -148,7 +148,6 @@ score_rt_sigreturn(struct pt_regs *regs)
 {
 	struct rt_sigframe __user *frame;
 	sigset_t set;
-	stack_t st;
 	int sig;
 
 	/* Always make any pending restarted system calls return -EINTR */
@@ -168,12 +167,10 @@ score_rt_sigreturn(struct pt_regs *regs)
 	else if (sig)
 		force_sig(sig, current);
 
-	if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st)))
-		goto badframe;
-
 	/* It is more difficult to avoid calling this function than to
 	   call it and ignore errors.  */
-	do_sigaltstack((stack_t __user *)&st, NULL, regs->regs[0]);
+	if (do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs->regs[0]) == -EFAULT)
+		goto badframe;
 	regs->is_syscall = 0;
 
 	__asm__ __volatile__(