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| author | Andreas Larsson <andreas@gaisler.com> | 2016-11-09 10:43:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-12-10 19:07:25 +0100 |
| commit | 438e91da24fa63d3b52faafd7302081e9e79207a (patch) | |
| tree | 132dbffe1998509e080745dd183fd948c4d059ae /arch/sparc | |
| parent | 06cdad2b6d921dee33c8efc84922533dfb1458c6 (diff) | |
| download | linux-stable-438e91da24fa63d3b52faafd7302081e9e79207a.tar.gz linux-stable-438e91da24fa63d3b52faafd7302081e9e79207a.tar.bz2 linux-stable-438e91da24fa63d3b52faafd7302081e9e79207a.zip | |
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/sparc')
| -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 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])) |