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powerpc: Add missing prototypes for sys_sigreturn() & sys_rt_sigreturn()

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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):

  arch/powerpc/kernel/signal_32.c:1135:6: error: no previous prototype for ‘sys_rt_sigreturn’
  arch/powerpc/kernel/signal_32.c:1422:6: error: no previous prototype for ‘sys_sigreturn’

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Mathieu Malaterre 2018-02-25 18:22:33 +01:00 committed by Michael Ellerman
parent 0d60619e1c
commit b53875c4b4
1 changed files with 5 additions and 0 deletions
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5
arch/powerpc/kernel/signal.h
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@ -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)
{