From c22e7ea6e957cb7e71ceaf0bf41b07fc89a5b6a0 Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Tue, 11 Mar 2025 08:51:19 +0900 Subject: [PATCH] scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb() BugLink: https://bugs.launchpad.net/bugs/2101915 [ Upstream commit c62c30429db3eb4ced35c7fcf6f04a61ce3a01bb ] Hook "qed_ops->common->sb_init = qed_sb_init" does not release the DMA memory sb_virt when it fails. Add dma_free_coherent() to free it. This is the same way as qedr_alloc_mem_sb() and qede_alloc_mem_sb(). Fixes: 61d8658b4a43 ("scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework.") Signed-off-by: Zhen Lei Link: https://lore.kernel.org/r/20241026125711.484-2-thunder.leizhen@huawei.com Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin CVE-2024-56748 Signed-off-by: Koichiro Den Signed-off-by: Stefan Bader --- drivers/scsi/qedf/qedf_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index b97a8712d3f6..e451ef8adbd2 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -2738,6 +2738,7 @@ static int qedf_alloc_and_init_sb(struct qedf_ctx *qedf, sb_id, QED_SB_TYPE_STORAGE); if (ret) { + dma_free_coherent(&qedf->pdev->dev, sizeof(*sb_virt), sb_virt, sb_phys); QEDF_ERR(&qedf->dbg_ctx, "Status block initialization failed (0x%x) for id = %d.\n", ret, sb_id);