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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-06-04 16:49:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-04 19:06:24 -0700
commit276aa42e9ff3a9dcea6a91d515916c653c5f9c6d (patch)
tree4958740086b61586f183b6420a39ea1a87699817 /drivers/block
parent2b7874490243e014112100925405c4a17a8c40aa (diff)
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.c7
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,