linux-kernel - [PATCH] ide: Use NULL to compare with pointer-typed value rather than 0

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 17 Aug 2018 21:23:47 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <davem@...emloft.net>
CC:     <benh@...nel.crashing.org>, <paulus@...ba.org>,
        <mpe@...erman.id.au>, <linux-ide@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] ide: Use NULL to compare with pointer-typed value rather than 0

We should use NULL to compare with pointer-typed value rather than
0. The issue is detected with the help of Coccinelle.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/ide/pmac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index c5b902b..673734b 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1682,7 +1682,7 @@ static int pmac_ide_init_dma(ide_hwif_t *hwif, const struct ide_port_info *d)
 	/* We won't need pci_dev if we switch to generic consistent
 	 * DMA routines ...
 	 */
-	if (dev == NULL || pmif->dma_regs == 0)
+	if (dev == NULL || pmif->dma_regs == NULL)
 		return -ENODEV;
 	/*
 	 * Allocate space for the DBDMA commands.
-- 
1.7.12.4