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| author | Richard Fitzgerald <rf@opensource.cirrus.com> | 2021-05-06 18:03:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-06 19:24:12 -0700 |
| commit | e18baa7cc3598999317d6c2fe255756f6b3b7562 (patch) | |
| tree | 8384513fa290cba884373e3963ae79abe4735029 /lib | |
| parent | ade29d4fdbe675d72ee6115baaf3b3382942fd12 (diff) | |
| download | lwn-e18baa7cc3598999317d6c2fe255756f6b3b7562.tar.gz lwn-e18baa7cc3598999317d6c2fe255756f6b3b7562.zip | |
lib: crc8: pointer to data block should be const
crc8() does not change the data passed to it, so the pointer argument
should be declared const. This avoids callers that receive const data
having to cast it to a non-const pointer to call crc8().
Link: https://lkml.kernel.org/r/20210329122409.3291-1-rf@opensource.cirrus.com
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/crc8.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/crc8.c b/lib/crc8.c index 595a5a75e3cd..1ad8e501d9b6 100644 --- a/lib/crc8.c +++ b/lib/crc8.c @@ -71,7 +71,7 @@ EXPORT_SYMBOL(crc8_populate_lsb); * @nbytes: number of bytes in data buffer. * @crc: previous returned crc8 value. */ -u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes, u8 crc) +u8 crc8(const u8 table[CRC8_TABLE_SIZE], const u8 *pdata, size_t nbytes, u8 crc) { /* loop over the buffer data */ while (nbytes-- > 0) |