summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-10-30 15:07:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-31 08:54:14 -0700
commit3819ddec1f8c8a5daf215bec4067f8fd1dc40d6d (patch)
tree7efbf89cf55f32600fcc74c3b866cedd58cf7331 /include
parent2e58f57d859fbe0ce79e052d7a63bba32d5786e8 (diff)
downloadlinux-3819ddec1f8c8a5daf215bec4067f8fd1dc40d6d.tar.bz2
include/linux/signal.h: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Link: http://lkml.kernel.org/r/20181013114847.GA3160@embeddedor.com Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> Cc: Oleg Nesterov <oleg@redhat.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/signal.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 200ed96a05af..f428e86f4800 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -129,9 +129,11 @@ static inline void name(sigset_t *r, const sigset_t *a, const sigset_t *b) \
b3 = b->sig[3]; b2 = b->sig[2]; \
r->sig[3] = op(a3, b3); \
r->sig[2] = op(a2, b2); \
+ /* fall through */ \
case 2: \
a1 = a->sig[1]; b1 = b->sig[1]; \
r->sig[1] = op(a1, b1); \
+ /* fall through */ \
case 1: \
a0 = a->sig[0]; b0 = b->sig[0]; \
r->sig[0] = op(a0, b0); \
@@ -161,7 +163,9 @@ static inline void name(sigset_t *set) \
switch (_NSIG_WORDS) { \
case 4: set->sig[3] = op(set->sig[3]); \
set->sig[2] = op(set->sig[2]); \
+ /* fall through */ \
case 2: set->sig[1] = op(set->sig[1]); \
+ /* fall through */ \
case 1: set->sig[0] = op(set->sig[0]); \
break; \
default: \
@@ -182,6 +186,7 @@ static inline void sigemptyset(sigset_t *set)
memset(set, 0, sizeof(sigset_t));
break;
case 2: set->sig[1] = 0;
+ /* fall through */
case 1: set->sig[0] = 0;
break;
}
@@ -194,6 +199,7 @@ static inline void sigfillset(sigset_t *set)
memset(set, -1, sizeof(sigset_t));
break;
case 2: set->sig[1] = -1;
+ /* fall through */
case 1: set->sig[0] = -1;
break;
}