IB/qib: Fix memory leak in qibusersdmaqueuepkts()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.169 by commit 79dcbd8176152b860028b62f81a635d987365752, it was introduced in version v5.4.157 by commit 0f8cdfff06829a0b0348b6debc29ff6a61967724. For more details please see the references link.