3.18-stable review patch. If anyone has any objections, please let me know.
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From: Andreas Larsson andreas@gaisler.com
commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa upstream.
Signed-off-by: Andreas Larsson andreas@gaisler.com Signed-off-by: David S. Miller davem@davemloft.net Cc: Guenter Roeck linux@roeck-us.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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]))