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mips: switch to {get,put}_compat_sigset()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-09-04 12:37:53 -04:00
parent 68c38fb6ac
commit 7bea578b5f
1 changed files with 4 additions and 33 deletions
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37
arch/mips/include/asm/compat-signal.h
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@ -13,45 +13,16 @@
static inline int __copy_conv_sigset_to_user(compat_sigset_t __user *d,
const sigset_t *s)
{
int err;
BUILD_BUG_ON(sizeof(*d) != sizeof(*s));
BUILD_BUG_ON(_NSIG_WORDS != 2);
BUG_ON(sizeof(*d) != sizeof(*s));
BUG_ON(_NSIG_WORDS != 2);
err = __put_user(s->sig[0], &d->sig[0]);
err |= __put_user(s->sig[0] >> 32, &d->sig[1]);
err |= __put_user(s->sig[1], &d->sig[2]);
err |= __put_user(s->sig[1] >> 32, &d->sig[3]);
return err;
return put_compat_sigset(d, s, sizeof(*d));
}
static inline int __copy_conv_sigset_from_user(sigset_t *d,
const compat_sigset_t __user *s)
{
int err;
union sigset_u {
sigset_t s;
compat_sigset_t c;
} *u = (union sigset_u *) d;
BUG_ON(sizeof(*d) != sizeof(*s));
BUG_ON(_NSIG_WORDS != 2);
#ifdef CONFIG_CPU_BIG_ENDIAN
err = __get_user(u->c.sig[1], &s->sig[0]);
err |= __get_user(u->c.sig[0], &s->sig[1]);
err |= __get_user(u->c.sig[3], &s->sig[2]);
err |= __get_user(u->c.sig[2], &s->sig[3]);
#endif
#ifdef CONFIG_CPU_LITTLE_ENDIAN
err = __get_user(u->c.sig[0], &s->sig[0]);
err |= __get_user(u->c.sig[1], &s->sig[1]);
err |= __get_user(u->c.sig[2], &s->sig[2]);
err |= __get_user(u->c.sig[3], &s->sig[3]);
#endif
return err;
return get_compat_sigset(d, s);
}
#endif /* __ASM_COMPAT_SIGNAL_H */