block: convert !IS_ERR(p) && p to !IS_ERR_NOR_NULL(p)

Signed-off-by: Yang Zhang <kthreadd@gmail.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Yang Zhang 2010-12-17 08:58:36 +01:00 committed by Jens Axboe
parent 7278c9c19b
commit b9f985b6e0

View File

@ -735,7 +735,7 @@ static void *show_partition_start(struct seq_file *seqf, loff_t *pos)
static void *p;
p = disk_seqf_start(seqf, pos);
if (!IS_ERR(p) && p && !*pos)
if (!IS_ERR_OR_NULL(p) && !*pos)
seq_puts(seqf, "major minor #blocks name\n\n");
return p;
}