x86: signal: change type of paramter for sys_rt_sigreturn()

Impact: cleanup on 32-bit Peter pointed this parameter can be changed. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
mariux64 · Dec 8, 2008 · 4217458 · 4217458
1 parent 5ceb40d
commit 4217458
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Showing 2 changed files with 3 additions and 5 deletions.
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
@@ -33,7 +33,7 @@ asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
 			     struct old_sigaction __user *);
 asmlinkage int sys_sigaltstack(unsigned long);
 asmlinkage unsigned long sys_sigreturn(unsigned long);
-asmlinkage int sys_rt_sigreturn(unsigned long);
+asmlinkage int sys_rt_sigreturn(struct pt_regs);
 
 /* kernel/ioport.c */
 asmlinkage long sys_iopl(unsigned long);

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
@@ -642,11 +642,9 @@ static long do_rt_sigreturn(struct pt_regs *regs)
 }
 
 #ifdef CONFIG_X86_32
-asmlinkage int sys_rt_sigreturn(unsigned long __unused)
+asmlinkage int sys_rt_sigreturn(struct pt_regs regs)
 {
-	struct pt_regs *regs = (struct pt_regs *)&__unused;
-
-	return do_rt_sigreturn(regs);
+	return do_rt_sigreturn(&regs);
 }
 #else /* !CONFIG_X86_32 */
 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)