linux-kernel - [PATCH] nvme: add device name to warning in uuid

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Message-Id: <20220607155555.8623-1-linux@weissschuh.net>
Date:   Tue,  7 Jun 2022 17:55:55 +0200
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
Cc:     linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] nvme: add device name to warning in uuid_show()

This provides more context to users.

Old message:

[   00.000000] No UUID available providing old NGUID

New message:

[   00.000000] block nvme0n1: No UUID available providing old NGUID

Fixes: d934f9848a77 ("nvme: provide UUID value to userspace")
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/nvme/host/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 24165daee3c8..189bbd6c0c29 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3285,8 +3285,7 @@ static ssize_t uuid_show(struct device *dev, struct device_attribute *attr,
 	 * we have no UUID set
 	 */
 	if (uuid_is_null(&ids->uuid)) {
-		printk_ratelimited(KERN_WARNING
-				   "No UUID available providing old NGUID\n");
+		dev_warn_ratelimited(dev, "No UUID available providing old NGUID\n");
 		return sysfs_emit(buf, "%pU\n", ids->nguid);
 	}
 	return sysfs_emit(buf, "%pU\n", &ids->uuid);

base-commit: e71e60cd74df9386c3f684c54888f2367050b831
-- 
2.36.1