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sparc32: fix sparse warnings in signal_32.c

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Fix following warnings:
signal_32.c:62:17: warning: symbol 'do_sigreturn' was not declared. Should it be static?
signal_32.c:126:17: warning: symbol 'do_rt_sigreturn' was not declared. Should it be static?
signal_32.c:344:39: warning: incorrect type in initializer (different address spaces)
signal_32.c:344:39:    expected struct __siginfo_fpu_t [usertype] *fp
signal_32.c:344:39:    got void [noderef] <asn:1>*[assigned] tail
signal_32.c:346:45: warning: incorrect type in argument 2 (different address spaces)
signal_32.c:346:45:    expected struct __siginfo_fpu_t [noderef] [usertype] <asn:1>*fpu
signal_32.c:346:45:    got struct __siginfo_fpu_t [usertype] *fp
signal_32.c:352:41: warning: incorrect type in initializer (different address spaces)
signal_32.c:352:41:    expected struct __siginfo_rwin_t [usertype] *rwp
signal_32.c:352:41:    got void [noderef] <asn:1>*[assigned] tail
signal_32.c:354:48: warning: incorrect type in argument 2 (different address spaces)
signal_32.c:354:48:    expected struct __siginfo_rwin_t [noderef] [usertype] <asn:1>*rwin
signal_32.c:354:48:    got struct __siginfo_rwin_t [usertype] *rwp
signal_32.c:509:6: warning: symbol 'do_notify_resume' was not declared. Should it be static?
signal_32.c:520:16: warning: symbol 'do_sys_sigstack' was not declared. Should it be static?

Add missing prototypes and annotate two variables with __user.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2014-04-21 21:39:26 +02:00 committed by David S. Miller
parent 8bdd5a1bdb
commit 529b17a9d3
2 changed files with 14 additions and 5 deletions
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8
arch/sparc/kernel/kernel.h
View file

@ -101,6 +101,14 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags,
struct pt_regs *regs,
unsigned long stack_size);
/* signal_32.c */
asmlinkage void do_sigreturn(struct pt_regs *regs);
asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
unsigned long thread_info_flags);
asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
struct sigstack __user *ossptr,
unsigned long sp);
#else /* CONFIG_SPARC32 */
#endif /* CONFIG_SPARC32 */
#endif /* !(__SPARC_KERNEL_H) */

11
arch/sparc/kernel/signal_32.c
View file

@ -28,6 +28,7 @@
#include <asm/switch_to.h>
#include "sigutil.h"
#include "kernel.h"
extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
void *fpqueue, unsigned long *fpqdepth);
@ -341,7 +342,7 @@ static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs,
err |= __put_user(0, &sf->extra_size);
if (psr & PSR_EF) {
__siginfo_fpu_t *fp = tail;
__siginfo_fpu_t __user *fp = tail;
tail += sizeof(*fp);
err |= save_fpu_state(regs, fp);
err |= __put_user(fp, &sf->fpu_save);
@ -349,7 +350,7 @@ static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs,
err |= __put_user(0, &sf->fpu_save);
}
if (wsaved) {
__siginfo_rwin_t *rwp = tail;
__siginfo_rwin_t __user *rwp = tail;
tail += sizeof(*rwp);
err |= save_rwin_state(wsaved, rwp);
err |= __put_user(rwp, &sf->rwin_save);
@ -517,9 +518,9 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
}
}
asmlinkage int
do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
unsigned long sp)
asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
struct sigstack __user *ossptr,
unsigned long sp)
{
int ret = -EFAULT;