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authorAl Viro <viro@zeniv.linux.org.uk>2017-09-04 19:37:53 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-09-20 00:56:06 +0300
commit7bea578b5f0c44c974a585bfbe6422065b9f6b6d (patch)
treefd165f1fb0e52fd025514697e1209c2e52966809 /arch/mips/include
parent68c38fb6acb12f007785c53a7367fc9de8e34745 (diff)
downloadlinux-7bea578b5f0c44c974a585bfbe6422065b9f6b6d.tar.xz
mips: switch to {get,put}_compat_sigset()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/compat-signal.h37
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 */