scsi: qedi: Fix a possible memory leak in qedi_alloc_and_init_sb()

Hook "qedi_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: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20241026125711.484-3-thunder.leizhen@huawei.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index c5aec26..628d59d 100644 (file)
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -369,6 +369,7 @@ static int qedi_alloc_and_init_sb(struct qedi_ctx *qedi,
        ret = qedi_ops->common->sb_init(qedi->cdev, sb_info, sb_virt, sb_phys,
                                       sb_id, QED_SB_TYPE_STORAGE);
        if (ret) {
+               dma_free_coherent(&qedi->pdev->dev, sizeof(*sb_virt), sb_virt, sb_phys);
                QEDI_ERR(&qedi->dbg_ctx,
                         "Status block initialization failed for id = %d.\n",
                          sb_id);