linux-kernel - [PATCH] nbd: add missing definition of pr

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Date:   Wed,  6 Jul 2022 17:33:20 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     josef@...icpanda.com, axboe@...nel.dk, houtao1@...wei.com,
        yukuai3@...wei.com
Cc:     linux-block@...r.kernel.org, nbd@...er.debian.org,
        linux-kernel@...r.kernel.org, yukuai1@...weicloud.com,
        yi.zhang@...wei.com
Subject: [PATCH] nbd: add missing definition of pr_fmt

From: Yu Kuai <yukuai3@...wei.com>

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@...wei.com>
---
 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