x86: signal: introduce do_rt_sigreturn()
introduce do_rt_sigreturn(), to collect common part of sys_rt_sigreturn(). No change in functionality intended. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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e6babb6b7f
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@ -215,9 +215,8 @@ badframe:
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return 0;
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}
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asmlinkage int sys_rt_sigreturn(unsigned long __unused)
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static long do_rt_sigreturn(struct pt_regs *regs)
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{
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struct pt_regs *regs = (struct pt_regs *)&__unused;
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struct rt_sigframe __user *frame;
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unsigned long ax;
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sigset_t set;
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@ -243,10 +242,17 @@ asmlinkage int sys_rt_sigreturn(unsigned long __unused)
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return ax;
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badframe:
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signal_fault(regs, frame, "rt sigreturn");
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signal_fault(regs, frame, "rt_sigreturn");
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return 0;
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}
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asmlinkage int sys_rt_sigreturn(unsigned long __unused)
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{
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struct pt_regs *regs = (struct pt_regs *)&__unused;
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return do_rt_sigreturn(regs);
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}
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/*
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* Set up a signal frame.
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*/
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@ -104,11 +104,11 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
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return err;
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}
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asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
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static long do_rt_sigreturn(struct pt_regs *regs)
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{
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struct rt_sigframe __user *frame;
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sigset_t set;
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unsigned long ax;
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sigset_t set;
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frame = (struct rt_sigframe __user *)(regs->sp - sizeof(long));
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if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
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@ -131,10 +131,15 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
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return ax;
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badframe:
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signal_fault(regs, frame, "sigreturn");
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signal_fault(regs, frame, "rt_sigreturn");
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return 0;
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}
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asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
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{
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return do_rt_sigreturn(regs);
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}
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/*
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* Set up a signal frame.
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*/
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