linux-kernel - [PATCH 4/4] Staging: rtl8723bs: Use !x instead of NULL comparison

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Message-Id: <66310cdbf9825fe749c27473870dadbc37c5b261.1513501505.git.shreeya.patel23498@gmail.com>
Date:   Sun, 17 Dec 2017 15:12:02 +0530
From:   Shreeya Patel <shreeya.patel23498@...il.com>
To:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Cc:     Shreeya Patel <shreeya.patel23498@...il.com>
Subject: [PATCH 4/4] Staging: rtl8723bs: Use !x instead of NULL comparison

If "x" is compared to NULL, use "!x" instead of it, so
as to follow the kernel coding style.

Signed-off-by: Shreeya Patel <shreeya.patel23498@...il.com>
---
 drivers/staging/rtl8723bs/hal/sdio_ops.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 314b31f..08e6a7b 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -215,7 +215,7 @@ static u32 sdio_read32(struct intf_hdl *intfhdl, u32 addr)
 		u8 *tmpbuf;
 
 		tmpbuf = rtw_malloc(8);
-		if (NULL == tmpbuf) {
+		if (!tmpbuf) {
 			DBG_8192C(KERN_ERR "%s: Allocate memory FAIL!(size =8) addr = 0x%x\n", __func__, addr);
 			return SDIO_ERR_VAL32;
 		}
@@ -264,7 +264,7 @@ static s32 sdio_readN(struct intf_hdl *intfhdl, u32 addr, u32 cnt, u8 *buf)
 		ftaddr &= ~(u16)0x3;
 		n = cnt + shift;
 		tmpbuf = rtw_malloc(n);
-		if (NULL == tmpbuf)
+		if (!tmpbuf)
 			return -1;
 
 		err = sd_read(intfhdl, ftaddr, n, tmpbuf);
@@ -367,7 +367,7 @@ static s32 sdio_writeN(struct intf_hdl *intfhdl, u32 addr, u32 cnt, u8 *buf)
 		ftaddr &= ~(u16)0x3;
 		n = cnt + shift;
 		tmpbuf = rtw_malloc(n);
-		if (NULL == tmpbuf)
+		if (!tmpbuf)
 			return -1;
 		err = sd_read(intfhdl, ftaddr, 4, tmpbuf);
 		if (err) {
@@ -457,7 +457,7 @@ static u32 sdio_read_port(
 #ifdef SDIO_DYNAMIC_ALLOC_MEM
 		oldmem = mem;
 		mem = rtw_malloc(cnt);
-		if (mem == NULL) {
+		if (!mem) {
 			DBG_8192C(KERN_WARNING "%s: allocate memory %d bytes fail!\n", __func__, cnt);
 			mem = oldmem;
 			oldmem = NULL;
@@ -745,7 +745,7 @@ static s32 ReadInterrupt8723BSdio(struct adapter *adapter, u32 *phisr)
 	u8 val8, hisr_len;
 
 
-	if (phisr == NULL)
+	if (!phisr)
 		return false;
 
 	himr = GET_HAL_DATA(adapter)->sdio_himr;
@@ -969,13 +969,13 @@ static struct recv_buf *sd_recv_rxfifo(struct adapter *adapter, u32 size)
 	/* 3 1. alloc recvbuf */
 	recv_priv = &adapter->recvpriv;
 	recvbuf = rtw_dequeue_recvbuf(&recv_priv->free_recv_buf_queue);
-	if (recvbuf == NULL) {
+	if (!recvbuf) {
 		DBG_871X_LEVEL(_drv_err_, "%s: alloc recvbuf FAIL!\n", __func__);
 		return NULL;
 	}
 
 	/* 3 2. alloc skb */
-	if (recvbuf->pskb == NULL) {
+	if (!recvbuf->pskb) {
 		SIZE_PTR tmpaddr = 0;
 		SIZE_PTR alignment = 0;
 
@@ -989,7 +989,7 @@ static struct recv_buf *sd_recv_rxfifo(struct adapter *adapter, u32 size)
 			skb_reserve(recvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
 		}
 
-		if (recvbuf->pskb == NULL) {
+		if (!recvbuf->pskb) {
 			DBG_871X("%s: alloc_skb fail! read =%d\n", __func__, readsize);
 			return NULL;
 		}
@@ -1247,7 +1247,7 @@ u8 RecvOnePkt(struct adapter *adapter, u32 size)
 
 	DBG_871X("+%s: size: %d+\n", __func__, size);
 
-	if (adapter == NULL) {
+	if (!adapter) {
 		DBG_871X(KERN_ERR "%s: adapter is NULL!\n", __func__);
 		return false;
 	}
-- 
2.7.4