block: ataflop: Fix warning comparing pointer to 0

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>

diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 2622803ef71affe7639c8f880603186484ea112a..d14bdc3589b23501848afd9e769ce16a3c93baef 100644 (file)
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -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;