diff options
| author | Andreas Larsson <andreas@gaisler.com> | 2016-11-09 10:43:05 +0100 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2016-12-13 17:01:12 +0100 |
| commit | 3378ee071387341c924b81e7d8749827370911cf (patch) | |
| tree | c75be5b2577bfcfd6f21839e3cf0e35700388611 | |
| parent | 3b395fd11b5bc1933e5ffcb83ad92e4a33977ee7 (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: Jiri Slaby <jslaby@suse.cz>
| -rw-r--r-- | arch/sparc/kernel/signal_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index e751dbc527e2..7e9dfc4fcc23 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -88,7 +88,7 @@ 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])) @@ -149,7 +149,7 @@ 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])) |