diff options
Diffstat (limited to 'arch/x86/kernel/fpu/signal.c')
| -rw-r--r-- | arch/x86/kernel/fpu/signal.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index 61a949d84dfa..f6a1d299627c 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -164,7 +164,7 @@ int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size) ia32_fxstate &= (IS_ENABLED(CONFIG_X86_32) || IS_ENABLED(CONFIG_IA32_EMULATION)); - if (!access_ok(VERIFY_WRITE, buf, size)) + if (!access_ok(buf, size)) return -EACCES; if (!static_cpu_has(X86_FEATURE_FPU)) @@ -281,7 +281,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) return 0; } - if (!access_ok(VERIFY_READ, buf, size)) + if (!access_ok(buf, size)) return -EACCES; fpu__initialize(fpu); @@ -344,10 +344,10 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) sanitize_restored_xstate(tsk, &env, xfeatures, fx_only); } + local_bh_disable(); fpu->initialized = 1; - preempt_disable(); fpu__restore(fpu); - preempt_enable(); + local_bh_enable(); return err; } else { |
