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| author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2018-10-30 23:05:49 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-31 16:54:13 +0100 |
| commit | 89976005536c47a788bdd6cef5a4e9fef3c0de32 (patch) | |
| tree | 757208d8912f27c2d267af779d0a90d7cf386016 | |
| parent | lib/kstrtox.c: delete unnecessary casts (diff) | |
| download | linux-89976005536c47a788bdd6cef5a4e9fef3c0de32.tar.xz linux-89976005536c47a788bdd6cef5a4e9fef3c0de32.zip | |
include/linux/compat.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/20181013115048.GA3262@embeddedor.com
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/compat.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index d30e4dbd4be2..06e77473f175 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; |