scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()

Don't allocate memory again when IOC is being reinitialized.

Fixes: fe6db615 ("scsi: mpi3mr: Handle offline FW activation in graceful manner")
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Link: https://lore.kernel.org/r/20230302234336.25456-6-thenzl@redhat.comAcked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mpi3mr/mpi3mr_fw.c

@@ -3837,16 +3837,18 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
 
 	mpi3mr_print_ioc_info(mrioc);
 
+	if (!mrioc->cfg_page) {
 		dprint_init(mrioc, "allocating config page buffers\n");
+		mrioc->cfg_page_sz = MPI3MR_DEFAULT_CFG_PAGE_SZ;
 		mrioc->cfg_page = dma_alloc_coherent(&mrioc->pdev->dev,
-	    MPI3MR_DEFAULT_CFG_PAGE_SZ, &mrioc->cfg_page_dma, GFP_KERNEL);
+		    mrioc->cfg_page_sz, &mrioc->cfg_page_dma, GFP_KERNEL);
 		if (!mrioc->cfg_page) {
 			retval = -1;
 			goto out_failed_noretry;
 		}
+	}
 
-	mrioc->cfg_page_sz = MPI3MR_DEFAULT_CFG_PAGE_SZ;
-
+	if (!mrioc->init_cmds.reply) {
 		retval = mpi3mr_alloc_reply_sense_bufs(mrioc);
 		if (retval) {
 			ioc_err(mrioc,
@@ -3854,13 +3856,16 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
 			    __func__, retval);
 			goto out_failed_noretry;
 		}
+	}
 
+	if (!mrioc->chain_sgl_list) {
 		retval = mpi3mr_alloc_chain_bufs(mrioc);
 		if (retval) {
 			ioc_err(mrioc, "Failed to allocated chain buffers %d\n",
 			    retval);
 			goto out_failed_noretry;
 		}
+	}
 
 	retval = mpi3mr_issue_iocinit(mrioc);
 	if (retval) {