From: Saeed Mahameed <saeedm@nvidia.com> stable inclusion from stable-5.10.68 commit 29a5af9112a279398c0716bd8d932c94c6a03b16 bugzilla: 182671 https://gitee.com/openeuler/kernel/issues/I4EWUH Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- commit dfe6fd72b5f1878b16aa2c8603e031bbcd66b96d upstream. Handle error flow on mlx5_core_alloc_pd() failure, read_fw_strings_work must be canceled. Fixes: c71ad41ccb0c ("net/mlx5: FW tracer, events handling") Reported-by: Pavel Machek (CIP) <pavel@denx.de> Suggested-by: Pavel Machek (CIP) <pavel@denx.de> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Reviewed-by: Aya Levin <ayal@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Acked-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> --- drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index 3dfcb20e97c6..857be86b4a11 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -1007,7 +1007,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer) err = mlx5_core_alloc_pd(dev, &tracer->buff.pdn); if (err) { mlx5_core_warn(dev, "FWTracer: Failed to allocate PD %d\n", err); - return err; + goto err_cancel_work; } err = mlx5_fw_tracer_create_mkey(tracer); @@ -1031,6 +1031,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer) mlx5_core_destroy_mkey(dev, &tracer->buff.mkey); err_dealloc_pd: mlx5_core_dealloc_pd(dev, tracer->buff.pdn); +err_cancel_work: cancel_work_sync(&tracer->read_fw_strings_work); return err; } -- 2.20.1