The patch titled
Subject: zcomp: Use ARRAY_SIZE() for backends list
has been added to the -mm tree. Its filename is
zcomp-use-array_size-for-backends-list.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/zcomp-use-array_size-for-backends-list.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/zcomp-use-array_size-for-backends-list.patch
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------------------------------------------------------
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: zcomp: Use ARRAY_SIZE() for backends list
Instead of keeping NULL terminated array switch to use ARRAY_SIZE()
which helps to further clean up.
Link: http://lkml.kernel.org/r/20200508100758.51644-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zcomp.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/drivers/block/zram/zcomp.c~zcomp-use-array_size-for-backends-list
+++ a/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)
@@ -67,7 +66,7 @@ bool zcomp_available_algorithm(const cha
{
int i;
- i = __sysfs_match_string(backends, -1, comp);
+ i = sysfs_match_string(backends, comp);
if (i >= 0)
return true;
@@ -86,9 +85,9 @@ ssize_t zcomp_available_show(const char
{
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,
_
Patches currently in -mm which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are
zcomp-use-array_size-for-backends-list.patch
