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nbd: add missing definition of pr_fmt
commit1243172d58
("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>
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@ -11,6 +11,8 @@
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* (part of code stolen from loop.c)
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*/
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#define pr_fmt(fmt) "nbd: " fmt
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#include <linux/major.h>
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#include <linux/blkdev.h>
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@ -1950,7 +1952,7 @@ again:
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test_bit(NBD_DISCONNECT_REQUESTED, &nbd->flags)) ||
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!refcount_inc_not_zero(&nbd->refs)) {
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mutex_unlock(&nbd_index_mutex);
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pr_err("nbd: device at index %d is going down\n",
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pr_err("device at index %d is going down\n",
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index);
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return -EINVAL;
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}
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@ -1961,7 +1963,7 @@ again:
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if (!nbd) {
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nbd = nbd_dev_add(index, 2);
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if (IS_ERR(nbd)) {
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pr_err("nbd: failed to add new device\n");
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pr_err("failed to add new device\n");
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return PTR_ERR(nbd);
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}
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}
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