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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-06-05 01:49:52 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-05 04:06:24 +0200 |
| commit | 276aa42e9ff3a9dcea6a91d515916c653c5f9c6d (patch) | |
| tree | 4958740086b61586f183b6420a39ea1a87699817 /drivers/block | |
| parent | include/linux/mm.h: return true in cpupid_pid_unset() (diff) | |
| download | linux-276aa42e9ff3a9dcea6a91d515916c653c5f9c6d.tar.xz linux-276aa42e9ff3a9dcea6a91d515916c653c5f9c6d.zip | |
zcomp: Use ARRAY_SIZE() for backends list
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>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/zram/zcomp.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c index 5ee8e3fae551..33e3b76c4fa9 100644 --- a/drivers/block/zram/zcomp.c +++ b/drivers/block/zram/zcomp.c @@ -29,7 +29,6 @@ static const char * const backends[] = { #if IS_ENABLED(CONFIG_CRYPTO_ZSTD) "zstd", #endif - NULL }; static void zcomp_strm_free(struct zcomp_strm *zstrm) @@ -64,7 +63,7 @@ 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; @@ -83,9 +82,9 @@ 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, |