x86: signal: remove unneeded err handling

This patch eliminates unused or unneeded variable handling.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 5f42cfc..e47bed2 100644 (file)
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -446,18 +446,15 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
        if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
                return -EFAULT;
 
-       err |= __put_user(sig, &frame->sig);
-       if (err)
+       if (__put_user(sig, &frame->sig))
                return -EFAULT;
 
-       err |= ia32_setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]);
-       if (err)
+       if (ia32_setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]))
                return -EFAULT;
 
        if (_COMPAT_NSIG_WORDS > 1) {
-               err |= __copy_to_user(frame->extramask, &set->sig[1],
-                                     sizeof(frame->extramask));
-               if (err)
+               if (__copy_to_user(frame->extramask, &set->sig[1],
+                                  sizeof(frame->extramask)))
                        return -EFAULT;
        }
 

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 1c22e00..d433861 100644 (file)
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -351,18 +351,15 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
        if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
                return -EFAULT;
 
-       err = __put_user(sig, &frame->sig);
-       if (err)
+       if (__put_user(sig, &frame->sig))
                return -EFAULT;
 
-       err = setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]);
-       if (err)
+       if (setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]))
                return -EFAULT;
 
        if (_NSIG_WORDS > 1) {
-               err = __copy_to_user(&frame->extramask, &set->sig[1],
-                                     sizeof(frame->extramask));
-               if (err)
+               if (__copy_to_user(&frame->extramask, &set->sig[1],
+                                  sizeof(frame->extramask)))
                        return -EFAULT;
        }
 

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 3b79e17..a21c851 100644 (file)
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -210,7 +210,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                        (unsigned long)fp - sizeof(struct rt_sigframe), 16) - 8;
 
                if (save_i387_xstate(fp) < 0)
-                       err |= -1;
+                       return -EFAULT;
        } else
                frame = get_stack(ka, regs, sizeof(struct rt_sigframe)) - 8;
 
@@ -218,8 +218,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                return -EFAULT;
 
        if (ka->sa.sa_flags & SA_SIGINFO) {
-               err |= copy_siginfo_to_user(&frame->info, info);
-               if (err)
+               if (copy_siginfo_to_user(&frame->info, info))
                        return -EFAULT;
        }