linux-kernel - [PATCH] staging: rtl8192u: rewrite NULL comparison for pointers

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Message-ID: <20160405162132.GA18417@cog.davos>
Date:	Tue, 5 Apr 2016 17:21:32 +0100
From:	Nicholas Sim <nicholassimws@...il.com>
To:	gregkh@...uxfoundation.org, devel@...verdev.osuosl.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] staging: rtl8192u: rewrite NULL comparison for pointers

When testing pointers, it is not necessary to explicitly compare to
NULL. Rewrite if condition as (!ptr) or (ptr) as suggested in
Documentation/CodingStyle

Signed-off-by: Nicholas Sim <nicholassimws@...il.com>
---
 drivers/staging/rtl8192u/r8192U_core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 9b319b3..dba52741 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -1994,7 +1994,7 @@ static int rtl8192_qos_association_resp(struct r8192_priv *priv,
 	u32 size = sizeof(struct ieee80211_qos_parameters);
 	int set_qos_param = 0;
 
-	if ((priv == NULL) || (network == NULL))
+	if (!priv || !network)
 		return 0;
 
 	if (priv->ieee80211->state != IEEE80211_LINKED)
@@ -4938,7 +4938,7 @@ static int rtl8192_usb_probe(struct usb_interface *intf,
 	RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
 
 	dev = alloc_ieee80211(sizeof(struct r8192_priv));
-	if (dev == NULL)
+	if (!dev)
 		return -ENOMEM;
 
 	usb_set_intfdata(intf, dev);
@@ -5157,7 +5157,7 @@ void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
 			write_nic_dword(dev, RWCAM, TargetCommand);
 		} else {
 			/* Key Material */
-			if (KeyContent != NULL) {
+			if (KeyContent) {
 				write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2)));
 				write_nic_dword(dev, RWCAM, TargetCommand);
 			}
-- 
2.4.3