From: Shay Drory <shayd@nvidia.com>
Date: Wed, 20 Sep 2023 10:01:56 +0000 (+0300)
Subject: RDMA/mlx5: Fix NULL string error
X-Git-Tag: v4.14.327~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d739f542daaa01fe609dcf029fece581a214f49;p=thirdparty%2Fkernel%2Fstable.git

RDMA/mlx5: Fix NULL string error

commit dab994bcc609a172bfdab15a0d4cb7e50e8b5458 upstream.

checkpath is complaining about NULL string, change it to 'Unknown'.

Fixes: 37aa5c36aa70 ("IB/mlx5: Add UARs write-combining and non-cached mapping")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Link: https://lore.kernel.org/r/8638e5c14fadbde5fa9961874feae917073af920.1695203958.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 3fbe3962d53b5..7d8bd97274f33 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1680,7 +1680,7 @@ static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd)
 	case MLX5_IB_MMAP_NC_PAGE:
 		return "NC";
 	default:
-		return NULL;
+		return "Unknown";
 	}
 }