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BACKPORT: zcomp: Use ARRAY_SIZE() for backends list

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Instead of keeping NULL terminated array switch to use ARRAY_SIZE()
which helps to further clean up.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: http://lkml.kernel.org/r/20200508100758.51644-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Change-Id: Ie21e77b081a2c261370848749b83e75c3c5d67d8
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
This commit is contained in:
Andy Shevchenko 2020-06-04 16:49:52 -07:00 committed by spakkkk
parent 02ffde80b0
commit 73f34bf849
1 changed files with 3 additions and 4 deletions
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7
drivers/block/zram/zcomp.c
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@ -33,7 +33,6 @@ static const char * const backends[] = {
#if IS_ENABLED(CONFIG_CRYPTO_ZSTD)
"zstd",
#endif
NULL
};
static void zcomp_strm_free(struct zcomp_strm *zstrm)
@ -68,7 +67,7 @@ bool zcomp_available_algorithm(const char *comp)
{
int i;
i = __sysfs_match_string(backends, -1, comp);
i = sysfs_match_string(backends, comp);
if (i >= 0)
return true;
@ -87,9 +86,9 @@ ssize_t zcomp_available_show(const char *comp, char *buf)
{
bool known_algorithm = false;
ssize_t sz = 0;
int i = 0;
int i;
for (; backends[i]; i++) {
for (i = 0; i < ARRAY_SIZE(backends); i++) {
if (!strcmp(comp, backends[i])) {
known_algorithm = true;
sz += scnprintf(buf + sz, PAGE_SIZE - sz - 2,