[PATCH 4.4 20/28] sparc32: Fix inverted invalid_frame_pointer checks on sigreturns

[Greg Kroah-Hartman]

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andreas Larsson <andreas@xxxxxxxxxxx>


[ Upstream commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa ]

Signed-off-by: Andreas Larsson <andreas@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 arch/sparc/kernel/signal_32.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_r
 	sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];
 
 	/* 1. Make sure we are not getting garbage from the user */
-	if (!invalid_frame_pointer(sf, sizeof(*sf)))
+	if (invalid_frame_pointer(sf, sizeof(*sf)))
 		goto segv_and_exit;
 
 	if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
@@ -150,7 +150,7 @@ asmlinkage void do_rt_sigreturn(struct p
 
 	synchronize_user_stack();
 	sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];
-	if (!invalid_frame_pointer(sf, sizeof(*sf)))
+	if (invalid_frame_pointer(sf, sizeof(*sf)))
 		goto segv;
 
 	if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))