From: Yu Kuai <yukuai3@xxxxxxxxxx>
commit 1243172d5894 ("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.
Fixes: 1243172d5894 ("nbd: use pr_err to output error message")
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
drivers/block/nbd.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 07f3c139a3d7..94a1602adab5 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -44,6 +44,9 @@
#include <linux/nbd-netlink.h>
#include <net/genetlink.h>
+#undef pr_fmt
+#define pr_fmt(fmt) "nbd: " fmt
+
#define CREATE_TRACE_POINTS
#include <trace/events/nbd.h>
--
2.31.1
