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treewide: Use fallthrough pseudo-keyword

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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva
2020-08-23 17:36:59 -05:00
parent d012a7190f
commit df561f6688
1148 changed files with 2667 additions and 2737 deletions
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6
include/linux/compat.h
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@@ -429,11 +429,11 @@ 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 */
fallthrough;
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
/* fall through */
fallthrough;
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
/* fall through */
fallthrough;
case 1: v.sig[1] = (set->sig[0] >> 32); v.sig[0] = set->sig[0];
}
return copy_to_user(compat, &v, size) ? -EFAULT : 0;