x86, xsave: remove the redundant access_ok() in setup_rt_frame()

save_i387_xstate() is already doing the required access_ok(). Remove
the redundant access_ok() before it.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 3 deletions

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 2621b98f5bf6..6c581698ab56 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -208,9 +208,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                 frame = (void __user *)round_down(
                         (unsigned long)fp - sizeof(struct rt_sigframe), 16) - 8;
 
-                if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate)))
-                        goto give_sigsegv;
-
                 if (save_i387_xstate(fp) < 0)
                         err |= -1; 
         } else