Message ID | 1534512473-39710-1-git-send-email-zhongjiang@huawei.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | block: Use NULL to compare with pointer-typed value rather than 0 | expand |
On 2018/8/17 21:27, zhong jiang wrote: > 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@huawei.com> > --- > 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 dfb2c26..cca93e3 100644 > --- a/drivers/block/ataflop.c > +++ b/drivers/block/ataflop.c > @@ -1355,7 +1355,7 @@ static int floppy_revalidate(struct gendisk *disk) > > if (test_bit(drive, &changed_floppies) || > test_bit(drive, &fake_change) || > - p->disktype == 0) { > + p->disktype == NULL) { > if (UD.flags & FTD_MSG) > printk(KERN_ERR "floppy: clear format %p!\n", UDT); > BufferDrive = -1; Maybe if (!p->disktype) is better, So will change it in v2. Thanks, zhong jiang
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index dfb2c26..cca93e3 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1355,7 +1355,7 @@ static int floppy_revalidate(struct gendisk *disk) if (test_bit(drive, &changed_floppies) || test_bit(drive, &fake_change) || - p->disktype == 0) { + p->disktype == NULL) { if (UD.flags & FTD_MSG) printk(KERN_ERR "floppy: clear format %p!\n", UDT); BufferDrive = -1;
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@huawei.com> --- drivers/block/ataflop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)