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* [PATCH 1/1] SPI-txx9: Deletion of an unnecessary check before the function call "clk_disable"
       [not found]                                 ` <5317A59D.4-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
@ 2014-11-29 17:40                                   ` SF Markus Elfring
  2014-12-01 19:25                                     ` Mark Brown
  0 siblings, 1 reply; 2+ messages in thread
From: SF Markus Elfring @ 2014-11-29 17:40 UTC (permalink / raw)
  To: Mark Brown, linux-spi-u79uwXL29TY76Z2rM5mHXA
  Cc: LKML, kernel-janitors-u79uwXL29TY76Z2rM5mHXA, Julia Lawall

From: Markus Elfring <elfring-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Date: Sat, 29 Nov 2014 18:34:20 +0100

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-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
---
 drivers/spi/spi-txx9.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 0da7c67..9190124 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;
 }
-- 
2.1.3

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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 1/1] SPI-txx9: Deletion of an unnecessary check before the function call "clk_disable"
  2014-11-29 17:40                                   ` [PATCH 1/1] SPI-txx9: Deletion of an unnecessary check before the function call "clk_disable" SF Markus Elfring
@ 2014-12-01 19:25                                     ` Mark Brown
  0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2014-12-01 19:25 UTC (permalink / raw)
  To: SF Markus Elfring; +Cc: linux-spi, LKML, kernel-janitors, Julia Lawall

[-- Attachment #1: Type: text/plain, Size: 402 bytes --]

On Sat, Nov 29, 2014 at 06:40:28PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sat, 29 Nov 2014 18:34:20 +0100
> 
> The clk_disable() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.

Applied, but please do try to use subject lines matching the style for
the subsystem.

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^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2014-12-01 19:25 UTC | newest]

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2014-11-29 17:40                                   ` [PATCH 1/1] SPI-txx9: Deletion of an unnecessary check before the function call "clk_disable" SF Markus Elfring
2014-12-01 19:25                                     ` Mark Brown

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