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block: ataflop: Fix warning comparing pointer to 0

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Fix the following coccicheck warning:

./drivers/block/ataflop.c:1464:20-21: WARNING comparing pointer to 0.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1635501029-81391-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jiapeng Chong 2021-10-29 17:50:29 +08:00 committed by Jens Axboe
parent 1b86db5f4e
commit df75db1fc1
1 changed files with 1 additions and 2 deletions
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3
drivers/block/ataflop.c
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@ -1460,8 +1460,7 @@ static int floppy_revalidate(struct gendisk *disk)
unsigned int drive = p - unit;
if (test_bit(drive, &changed_floppies) ||
test_bit(drive, &fake_change) ||
p->disktype == 0) {
test_bit(drive, &fake_change) || !p->disktype) {
if (UD.flags & FTD_MSG)
printk(KERN_ERR "floppy: clear format %p!\n", UDT);
BufferDrive = -1;