linux-kernel - [PATCH 1/2] regmap: debugfs: remove bogus check

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Message-Id: <1443479342-31621-1-git-send-email-linux@rasmusvillemoes.dk>
Date:	Tue, 29 Sep 2015 00:29:01 +0200
From:	Rasmus Villemoes <linux@...musvillemoes.dk>
To:	Mark Brown <broonie@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] regmap: debugfs: remove bogus check

snprintf cannot return a negative value (unless map->dev->driver->name
happens to be over 2G long). So remove the bogus check.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 drivers/base/regmap/regmap-debugfs.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 4a4737887cce..9fb3f6fc26b0 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -48,10 +48,6 @@ static ssize_t regmap_name_read_file(struct file *file,
 		return -ENOMEM;
 
 	ret = snprintf(buf, PAGE_SIZE, "%s\n", map->dev->driver->name);
-	if (ret < 0) {
-		kfree(buf);
-		return ret;
-	}
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
 	kfree(buf);
-- 
2.1.3

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