nbd: add missing definition of pr_fmt

commit 1243172d58 ("nbd: use pr_err to output error message") tries
to define pr_fmt and use short pr_err() to output error message,
however, the definition is missed.

This patch also remove existing "nbd:" inside pr_err().

Fixes: 1243172d58 ("nbd: use pr_err to output error message")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20220723082427.3890655-1-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai 2022-07-23 16:24:27 +08:00 committed by Jens Axboe
parent ee452a8d98
commit bc9da6dd06

View File

@ -11,6 +11,8 @@
* (part of code stolen from loop.c)
*/
#define pr_fmt(fmt) "nbd: " fmt
#include <linux/major.h>
#include <linux/blkdev.h>
@ -1950,7 +1952,7 @@ again:
test_bit(NBD_DISCONNECT_REQUESTED, &nbd->flags)) ||
!refcount_inc_not_zero(&nbd->refs)) {
mutex_unlock(&nbd_index_mutex);
pr_err("nbd: device at index %d is going down\n",
pr_err("device at index %d is going down\n",
index);
return -EINVAL;
}
@ -1961,7 +1963,7 @@ again:
if (!nbd) {
nbd = nbd_dev_add(index, 2);
if (IS_ERR(nbd)) {
pr_err("nbd: failed to add new device\n");
pr_err("failed to add new device\n");
return PTR_ERR(nbd);
}
}