On Wed, Apr 15, 2020 at 05:47:47PM +0300, Andy Shevchenko wrote: > On Mon, Mar 23, 2020 at 07:50:08PM +0200, Andy Shevchenko wrote: > > Instead of keeping NULL terminated array switch to use ARRAY_SIZE() > > which helps to further clean up. > > Any comments on this? Acked-by: Minchan Kim <minchan@xxxxxxxxxx> Sorry for the late. I lost this patch in my mail box. Could you resend this patch with Ccing Andrew Morton and Sergey Senozhatsky with me? Thanks. > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > --- > > drivers/block/zram/zcomp.c | 7 +++---- > > 1 file changed, 3 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c > > index 1a8564a79d8d..e78e7a2ccfd5 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) > > @@ -67,7 +66,7 @@ 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; > > > > @@ -86,9 +85,9 @@ 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, > > -- > > 2.25.1 > > > > -- > With Best Regards, > Andy Shevchenko > >