scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()

[ Upstream commit c798304470cab88723d895726d17fcb96472e0e9 ]

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

Fixes: fe6db6151565 ("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.com
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 37aaf8d..1a404d7 100644 (file)
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -3814,29 +3814,34 @@ retry_init:
 
        mpi3mr_print_ioc_info(mrioc);
 
-       dprint_init(mrioc, "allocating config page buffers\n");
-       mrioc->cfg_page = dma_alloc_coherent(&mrioc->pdev->dev,
-           MPI3MR_DEFAULT_CFG_PAGE_SZ, &mrioc->cfg_page_dma, GFP_KERNEL);
        if (!mrioc->cfg_page) {
-               retval = -1;
-               goto out_failed_noretry;
+               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,
+                   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;
-
-       retval = mpi3mr_alloc_reply_sense_bufs(mrioc);
-       if (retval) {
-               ioc_err(mrioc,
-                   "%s :Failed to allocated reply sense buffers %d\n",
-                   __func__, retval);
-               goto out_failed_noretry;
+       if (!mrioc->init_cmds.reply) {
+               retval = mpi3mr_alloc_reply_sense_bufs(mrioc);
+               if (retval) {
+                       ioc_err(mrioc,
+                           "%s :Failed to allocated reply sense buffers %d\n",
+                           __func__, retval);
+                       goto out_failed_noretry;
+               }
        }
 
-       retval = mpi3mr_alloc_chain_bufs(mrioc);
-       if (retval) {
-               ioc_err(mrioc, "Failed to allocated chain buffers %d\n",
-                   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);