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path: root/drivers/block/paride/pf.c
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Diffstat (limited to 'drivers/block/paride/pf.c')
-rw-r--r--drivers/block/paride/pf.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index 103b617cdc31..35e6e271b219 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -762,6 +762,8 @@ static int pf_detect(void)
printk("%s: No ATAPI disk detected\n", name);
for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) {
+ if (!pf->disk)
+ continue;
blk_cleanup_queue(pf->disk->queue);
pf->disk->queue = NULL;
blk_mq_free_tag_set(&pf->tag_set);
@@ -1029,8 +1031,13 @@ static int __init pf_init(void)
pf_busy = 0;
if (register_blkdev(major, name)) {
- for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++)
+ for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) {
+ if (!pf->disk)
+ continue;
+ blk_cleanup_queue(pf->disk->queue);
+ blk_mq_free_tag_set(&pf->tag_set);
put_disk(pf->disk);
+ }
return -EBUSY;
}
@@ -1051,6 +1058,9 @@ static void __exit pf_exit(void)
int unit;
unregister_blkdev(major, name);
for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) {
+ if (!pf->disk)
+ continue;
+
if (pf->present)
del_gendisk(pf->disk);