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x86, xsave: remove the redundant access_ok() in setup_rt_frame()
author
Suresh Siddha
<suresh.b.siddha@intel.com>
Wed, 13 Aug 2008 18:38:13 +0000
(11:38 -0700)
committer
Ingo Molnar
<mingo@elte.hu>
Thu, 14 Aug 2008 08:56:06 +0000
(10:56 +0200)
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>
arch/x86/kernel/signal_64.c
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diff --git
a/arch/x86/kernel/signal_64.c
b/arch/x86/kernel/signal_64.c
index 2621b98f5bf6635a5713bef4b0f3bbaf65ba4e41..6c581698ab56887292596e56729dc200b6f750f8 100644
(file)
--- 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