summaryrefslogtreecommitdiff
path: root/include/linux/compat.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2018-12-03 13:42:17 +0300
committerIngo Molnar <mingo@kernel.org>2018-12-03 13:42:17 +0300
commit5f675231e456cb599b283f8361f01cf34b0617df (patch)
treeafb2bdfd6fdbb18336146f41ba7659120a5ff9d2 /include/linux/compat.h
parent3e184501083c38fa091f640acb13af17a21fd228 (diff)
parent2595646791c319cadfdbf271563aac97d0843dc7 (diff)
downloadlinux-5f675231e456cb599b283f8361f01cf34b0617df.tar.xz
Merge tag 'v4.20-rc5' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/compat.h')
-rw-r--r--include/linux/compat.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index d30e4dbd4be2..88720b443cd6 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -488,8 +488,11 @@ put_compat_sigset(compat_sigset_t __user *compat, const sigset_t *set,
compat_sigset_t v;
switch (_NSIG_WORDS) {
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
+ /* fall through */
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
+ /* fall through */
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
+ /* fall through */
case 1: v.sig[1] = (set->sig[0] >> 32); v.sig[0] = set->sig[0];
}
return copy_to_user(compat, &v, size) ? -EFAULT : 0;
@@ -1029,9 +1032,9 @@ int kcompat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
#else /* !CONFIG_COMPAT */
#define is_compat_task() (0)
-#ifndef in_compat_syscall
+/* Ensure no one redefines in_compat_syscall() under !CONFIG_COMPAT */
+#define in_compat_syscall in_compat_syscall
static inline bool in_compat_syscall(void) { return false; }
-#endif
#endif /* CONFIG_COMPAT */