net/mlx5: FWTrace, cancel work on alloc pd error flow

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=29a5af9112a279398c0716bd8d932c94c6a03b16



--------------------------------

commit dfe6fd72 upstream.

Handle error flow on mlx5_core_alloc_pd() failure,
read_fw_strings_work must be canceled.

Fixes: c71ad41c ("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>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>