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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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36
lib/siphash.c
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@@ -68,11 +68,11 @@ u64 __siphash_aligned(const void *data, size_t len, const siphash_key_t *key)
bytemask_from_count(left)));
#else
switch (left) {
case 7: b |= ((u64)end[6]) << 48; /* fall through */
case 6: b |= ((u64)end[5]) << 40; /* fall through */
case 5: b |= ((u64)end[4]) << 32; /* fall through */
case 7: b |= ((u64)end[6]) << 48; fallthrough;
case 6: b |= ((u64)end[5]) << 40; fallthrough;
case 5: b |= ((u64)end[4]) << 32; fallthrough;
case 4: b |= le32_to_cpup(data); break;
case 3: b |= ((u64)end[2]) << 16; /* fall through */
case 3: b |= ((u64)end[2]) << 16; fallthrough;
case 2: b |= le16_to_cpup(data); break;
case 1: b |= end[0];
}
@@ -101,11 +101,11 @@ u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key)
bytemask_from_count(left)));
#else
switch (left) {
case 7: b |= ((u64)end[6]) << 48; /* fall through */
case 6: b |= ((u64)end[5]) << 40; /* fall through */
case 5: b |= ((u64)end[4]) << 32; /* fall through */
case 7: b |= ((u64)end[6]) << 48; fallthrough;
case 6: b |= ((u64)end[5]) << 40; fallthrough;
case 5: b |= ((u64)end[4]) << 32; fallthrough;
case 4: b |= get_unaligned_le32(end); break;
case 3: b |= ((u64)end[2]) << 16; /* fall through */
case 3: b |= ((u64)end[2]) << 16; fallthrough;
case 2: b |= get_unaligned_le16(end); break;
case 1: b |= end[0];
}
@@ -268,11 +268,11 @@ u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key)
bytemask_from_count(left)));
#else
switch (left) {
case 7: b |= ((u64)end[6]) << 48; /* fall through */
case 6: b |= ((u64)end[5]) << 40; /* fall through */
case 5: b |= ((u64)end[4]) << 32; /* fall through */
case 7: b |= ((u64)end[6]) << 48; fallthrough;
case 6: b |= ((u64)end[5]) << 40; fallthrough;
case 5: b |= ((u64)end[4]) << 32; fallthrough;
case 4: b |= le32_to_cpup(data); break;
case 3: b |= ((u64)end[2]) << 16; /* fall through */
case 3: b |= ((u64)end[2]) << 16; fallthrough;
case 2: b |= le16_to_cpup(data); break;
case 1: b |= end[0];
}
@@ -301,11 +301,11 @@ u32 __hsiphash_unaligned(const void *data, size_t len,
bytemask_from_count(left)));
#else
switch (left) {
case 7: b |= ((u64)end[6]) << 48; /* fall through */
case 6: b |= ((u64)end[5]) << 40; /* fall through */
case 5: b |= ((u64)end[4]) << 32; /* fall through */
case 7: b |= ((u64)end[6]) << 48; fallthrough;
case 6: b |= ((u64)end[5]) << 40; fallthrough;
case 5: b |= ((u64)end[4]) << 32; fallthrough;
case 4: b |= get_unaligned_le32(end); break;
case 3: b |= ((u64)end[2]) << 16; /* fall through */
case 3: b |= ((u64)end[2]) << 16; fallthrough;
case 2: b |= get_unaligned_le16(end); break;
case 1: b |= end[0];
}
@@ -431,7 +431,7 @@ u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key)
v0 ^= m;
}
switch (left) {
case 3: b |= ((u32)end[2]) << 16; /* fall through */
case 3: b |= ((u32)end[2]) << 16; fallthrough;
case 2: b |= le16_to_cpup(data); break;
case 1: b |= end[0];
}
@@ -454,7 +454,7 @@ u32 __hsiphash_unaligned(const void *data, size_t len,
v0 ^= m;
}
switch (left) {
case 3: b |= ((u32)end[2]) << 16; /* fall through */
case 3: b |= ((u32)end[2]) << 16; fallthrough;
case 2: b |= get_unaligned_le16(end); break;
case 1: b |= end[0];
}