linux-kernel - [PATCH v1] zram: Use __sysfs_match

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Message-Id: <20170609120835.22156-1-andriy.shevchenko@linux.intel.com>
Date:   Fri,  9 Jun 2017 15:08:35 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: [PATCH v1] zram: Use __sysfs_match_string() helper

Use __sysfs_match_string() helper instead of open coded variant.

Cc: Minchan Kim <minchan@...nel.org>
Cc: Nitin Gupta <ngupta@...are.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.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,
-- 
2.11.0