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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-04 19:37:53 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-20 00:56:06 +0300 |
| commit | 7bea578b5f0c44c974a585bfbe6422065b9f6b6d (patch) | |
| tree | fd165f1fb0e52fd025514697e1209c2e52966809 | |
| parent | 68c38fb6acb12f007785c53a7367fc9de8e34745 (diff) | |
| download | linux-7bea578b5f0c44c974a585bfbe6422065b9f6b6d.tar.xz | |
mips: switch to {get,put}_compat_sigset()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/mips/include/asm/compat-signal.h | 37 |
1 files changed, 4 insertions, 33 deletions
diff --git a/arch/mips/include/asm/compat-signal.h b/arch/mips/include/asm/compat-signal.h index 4c6176467146..1705b7769f75 100644 --- a/arch/mips/include/asm/compat-signal.h +++ b/arch/mips/include/asm/compat-signal.h @@ -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 */ |