CVE-2023-53721 wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix a NULL pointer dereference in ath12kmacophwscan In ath12kmacophwscan, the return value of kzalloc is directly used in memcpy, which may lead to a NULL pointer dereference on failure of kzalloc. Fix this bug by...