[patch 028/115] zram: use __sysfs_match_string() helper

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From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: zram: use __sysfs_match_string() helper

Use __sysfs_match_string() helper instead of open coded variant.

Link: http://lkml.kernel.org/r/20170609120835.22156-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Nitin Gupta <ngupta@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/block/zram/zcomp.c |   10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff -puN drivers/block/zram/zcomp.c~zram-use-__sysfs_match_string-helper drivers/block/zram/zcomp.c
--- a/drivers/block/zram/zcomp.c~zram-use-__sysfs_match_string-helper
+++ a/drivers/block/zram/zcomp.c
@@ -68,13 +68,11 @@ static struct zcomp_strm *zcomp_strm_all
 
 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,
_
--
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