From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 10 Jul 2017 15:48:34 -0700
Subject: [PATCH] zram: use __sysfs_match_string() helper
Git-commit: ed8a555323a6fddadfd9e259fc4e9c41c191ca6c
Patch-mainline: v4.13-rc1
References: bsc#1104967,FATE#325924

Use __sysfs_match_string() helper instead of open coded variant.

Link: http://lkml.kernel.org/r/20170609120835.22156-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/block/zram/zcomp.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 12046f4f00e4..5b8992beffec 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -68,13 +68,11 @@ static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
 
 bool zcomp_available_algorithm(const char *comp)
 {
-	int i = 0;
+	int i;
 
-	while (backends[i]) {
-		if (sysfs_streq(comp, backends[i]))
-			return true;
-		i++;
-	}
+	i = __sysfs_match_string(backends, -1, comp);
+	if (i >= 0)
+		return true;
 
 	/*
 	 * Crypto does not ignore a trailing new line symbol,
-- 
2.16.4