diff options
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 8bd9204ac1a..53c36d1770c 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -788,14 +788,12 @@ static int ubd_id(char **str, int *start_out, int *end_out) static int ubd_remove(int n, char **error_out) { + struct gendisk *disk; struct ubd *ubd_dev; int err = -ENODEV; mutex_lock(&ubd_lock); - if(ubd_gendisk[n] == NULL) - goto out; - ubd_dev = &ubd_devs[n]; if(ubd_dev->file == NULL) @@ -806,9 +804,12 @@ static int ubd_remove(int n, char **error_out) if(ubd_dev->count > 0) goto out; - del_gendisk(ubd_gendisk[n]); - put_disk(ubd_gendisk[n]); - ubd_gendisk[n] = NULL; + disk = ubd_gendisk[n]; + ubd_gendisk[n] = NULL; + if(disk != NULL){ + del_gendisk(disk); + put_disk(disk); + } if(fake_gendisk[n] != NULL){ del_gendisk(fake_gendisk[n]); |