From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 29 Nov 2014 17:34:20 +0000 (+0100)
Subject: spi/txx9: Deletion of an unnecessary check before the function call "clk_disable"
X-Git-Tag: firefly_0821_release~176^2~2723^2^3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7d57cd8946f21db2194154af1b95238af8579f9e;p=firefly-linux-kernel-4.4.55.git

spi/txx9: Deletion of an unnecessary check before the function call "clk_disable"

The clk_disable() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 2501a8373e89..f2ab827c81bb 100644
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -402,8 +402,7 @@ exit_busy:
 exit:
 	if (c->workqueue)
 		destroy_workqueue(c->workqueue);
-	if (c->clk)
-		clk_disable(c->clk);
+	clk_disable(c->clk);
 	spi_master_put(master);
 	return ret;
 }