net/mlx5: IRQ, Fix null string in debug print

[ Upstream commit 2f5a6014eb168a97b24153adccfa663d3b282767 ]

irq_pool_alloc() debug print can print a null string.
Fix it by providing a default string to print.

Fixes: 71e084e26414 ("net/mlx5: Allocating a pool of MSI-X vectors for SFs")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501141055.SwfIphN0-lkp@intel.com/
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250225072608.526866-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index 2fa84556bc20ee4bac36303b768a29c2e2454096..4c78821f5edb361f0d127a583f2f5665d4b443f1 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -474,7 +474,7 @@ irq_pool_alloc(struct mlx5_core_dev *dev, int start, int size, char *name,
        pool->min_threshold = min_threshold * MLX5_EQ_REFS_PER_IRQ;
        pool->max_threshold = max_threshold * MLX5_EQ_REFS_PER_IRQ;
        mlx5_core_dbg(dev, "pool->name = %s, pool->size = %d, pool->start = %d",
-                     name, size, start);
+                     name ? name : "mlx5_pcif_pool", size, start);
        return pool;
 }