linux-kernel - [PATCH] RDMA/ipoib: print symbolic error name instead of error code

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Date: Thu, 11 Jan 2024 15:13:07 +0100
From: Christian Heusel <christian@...sel.eu>
To: Jason Gunthorpe <jgg@...pe.ca>,
	Leon Romanovsky <leon@...nel.org>,
	Christian Heusel <christian@...sel.eu>,
	linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: dan.carpenter@...aro.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH] RDMA/ipoib: print symbolic error name instead of error code

Utilize the %pe print specifier to get the symbolic error name as a
string (i.e "-ENOMEM") in the log message instead of the error code to
increase its readablility.

This change was suggested in
https://lore.kernel.org/all/92972476-0b1f-4d0a-9951-af3fc8bc6e65@suswa.mountain/

Signed-off-by: Christian Heusel <christian@...sel.eu>
---
 drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 5b3154503bf4..b9cb2cc6ebf0 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -287,8 +287,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 
 	ah = ipoib_create_ah(dev, priv->pd, &av);
 	if (IS_ERR(ah)) {
-		ipoib_warn(priv, "ib_address_create failed %ld\n",
-			   -PTR_ERR(ah));
+		ipoib_warn(priv, "ib_address_create failed %pe\n", ah);
 		/* use original error */
 		return PTR_ERR(ah);
 	}
-- 
2.43.0