linux-kernel - [PATCH] cpupower: Fix comparing pointer to 0 coccicheck warns

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Message-Id: <20200629200223.27322-1-skhan@linuxfoundation.org>
Date:   Mon, 29 Jun 2020 14:02:22 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     trenn@...e.com, shuah@...nel.org
Cc:     Shuah Khan <skhan@...uxfoundation.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] cpupower: Fix comparing pointer to 0 coccicheck warns

Fix cocciccheck wanrns found by:
make coccicheck MODE=report M=tools/power/cpupower/

tools/power/cpupower/utils/helpers/bitmask.c:29:12-13: WARNING comparing pointer to 0, suggest !E
tools/power/cpupower/utils/helpers/bitmask.c:29:12-13: WARNING comparing pointer to 0
tools/power/cpupower/utils/helpers/bitmask.c:43:12-13: WARNING comparing pointer to 0

Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
---
 tools/power/cpupower/utils/helpers/bitmask.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/power/cpupower/utils/helpers/bitmask.c b/tools/power/cpupower/utils/helpers/bitmask.c
index 6c7932f5bd66..649d87cb8b0f 100644
--- a/tools/power/cpupower/utils/helpers/bitmask.c
+++ b/tools/power/cpupower/utils/helpers/bitmask.c
@@ -26,11 +26,11 @@ struct bitmask *bitmask_alloc(unsigned int n)
 	struct bitmask *bmp;
 
 	bmp = malloc(sizeof(*bmp));
-	if (bmp == 0)
+	if (!bmp)
 		return 0;
 	bmp->size = n;
 	bmp->maskp = calloc(longsperbits(n), sizeof(unsigned long));
-	if (bmp->maskp == 0) {
+	if (!bmp->maskp) {
 		free(bmp);
 		return 0;
 	}
@@ -40,7 +40,7 @@ struct bitmask *bitmask_alloc(unsigned int n)
 /* Free `struct bitmask` */
 void bitmask_free(struct bitmask *bmp)
 {
-	if (bmp == 0)
+	if (!bmp)
 		return;
 	free(bmp->maskp);
 	bmp->maskp = (unsigned long *)0xdeadcdef;  /* double free tripwire */
-- 
2.25.1