linux-kernel - [PATCH v4 3/3] staging: dgnc: remove redundant !ch checks

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Message-Id: <1428423102-29138-3-git-send-email-giedrius.statkevicius@gmail.com>
Date:	Tue,  7 Apr 2015 19:11:42 +0300
From:	Giedrius Statkevičius 
	<giedrius.statkevicius@...il.com>
To:	lidza.louina@...il.com, markh@...pro.net
Cc:	gregkh@...uxfoundation.org, driverdev-devel@...uxdriverproject.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	dan.carpenter@...cle.com, sudipm.mukherjee@...il.com,
	Giedrius Statkevičius 
	<giedrius.statkevicius@...il.com>
Subject: [PATCH v4 3/3] staging: dgnc: remove redundant !ch checks

Remove checks that are redundant since we don't have boards with partially
initialized ->channels[i].

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@...il.com>
---
v4: splitted this from the one patch.

 drivers/staging/dgnc/dgnc_cls.c | 4 ++--
 drivers/staging/dgnc/dgnc_neo.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index e3564d2..82e8680 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -379,7 +379,7 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port)
 		return;
 
 	ch = brd->channels[port];
-	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
+	if (ch->magic != DGNC_CHANNEL_MAGIC)
 		return;
 
 	/* Here we try to figure out what caused the interrupt to happen */
@@ -691,7 +691,7 @@ static void cls_tasklet(unsigned long data)
 	int state = 0;
 	int ports = 0;
 
-	if (!bd || bd->magic != DGNC_BOARD_MAGIC)
+	if (bd->magic != DGNC_BOARD_MAGIC)
 		return;
 
 	/* Cache a couple board values */
diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index f5a4d36..1e583c2 100644
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -395,7 +395,7 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
 		return;
 
 	ch = brd->channels[port];
-	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
+	if (ch->magic != DGNC_CHANNEL_MAGIC)
 		return;
 
 	/* Here we try to figure out what caused the interrupt to happen */
-- 
2.3.5

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