linux-kernel - [PATCH linux-next] drivers:ataflop: fix warning comparing pointer to 0

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Message-Id: <20210824010937.56395-1-jing.yangyang@zte.com.cn>
Date:   Mon, 23 Aug 2021 18:09:37 -0700
From:   CGEL <cgel.zte@...il.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jing Yangyang <jing.yangyang@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] drivers:ataflop: fix warning comparing pointer to 0

From: Jing Yangyang <jing.yangyang@....com.cn>

Fix the following coccicheck warning:
./drivers/block/ataflop.c:1439:20-21:WARNING: comparing pointer to 0

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@....com.cn>
---
 drivers/block/ataflop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index a093644..6cd28df 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1436,7 +1436,7 @@ static int floppy_revalidate(struct gendisk *disk)
 
 	if (test_bit(drive, &changed_floppies) ||
 	    test_bit(drive, &fake_change) ||
-	    p->disktype == 0) {
+	    !p->disktype) {
 		if (UD.flags & FTD_MSG)
 			printk(KERN_ERR "floppy: clear format %p!\n", UDT);
 		BufferDrive = -1;
-- 
1.8.3.1