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From:   Mathieu Malaterre <malat@debian.org>
To:     Michael Ellerman <mpe@ellerman.id.au>
Cc:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Jiri Slaby <jslaby@suse.com>, linuxppc-dev@lists.ozlabs.org,
        linux-kernel@vger.kernel.org, Mathieu Malaterre <malat@debian.org>
Subject: [PATCH 18/21] powerpc: Add missing prototypes for sys_sigreturn & sys_rt_sigreturn
Date:   Sun, 25 Feb 2018 18:22:33 +0100
Message-Id: <20180225172236.29650-19-malat@debian.org>
In-Reply-To: <20180225172236.29650-1-malat@debian.org>
References: <20180225172236.29650-1-malat@debian.org>
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Two functions did not have a prototype defined in signal.h header. Fix the
following two warnings (treated as errors in W=1):

  CC      arch/powerpc/kernel/signal_32.o
arch/powerpc/kernel/signal_32.c:1135:6: error: no previous prototype for ‘sys_rt_sigreturn’ [-Werror=missing-prototypes]
 long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
      ^~~~~~~~~~~~~~~~
arch/powerpc/kernel/signal_32.c:1422:6: error: no previous prototype for ‘sys_sigreturn’ [-Werror=missing-prototypes]
 long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
      ^~~~~~~~~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Mathieu Malaterre <malat@debian.org>
---
 arch/powerpc/kernel/signal.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 7c59d88b9d86..a6467f843acf 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -49,6 +49,11 @@ extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
 
 #else /* CONFIG_PPC64 */
 
+extern long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
+		     struct pt_regs *regs);
+extern long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
+		       struct pt_regs *regs);
+
 static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
 				     struct task_struct *tsk)
 {
-- 
2.11.0