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authorAndreas Larsson <andreas@gaisler.com>2016-11-09 10:43:05 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-12-10 19:07:25 +0100
commit438e91da24fa63d3b52faafd7302081e9e79207a (patch)
tree132dbffe1998509e080745dd183fd948c4d059ae /arch
parent06cdad2b6d921dee33c8efc84922533dfb1458c6 (diff)
sparc32: Fix inverted invalid_frame_pointer checks on sigreturns
[ Upstream commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa ] Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/kernel/signal_32.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index c3c12efe0bc0..9c0c8fd0b292 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
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 pt_regs *regs)
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]))