Patch "scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     scsi-mpi3mr-fix-memory-leaks-in-mpi3mr_init_ioc.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 4c998cca2da4f8f42c5dc1ff982dcc11ab5849d3
Author: Tomas Henzl <thenzl@xxxxxxxxxx>
Date:   Fri Mar 3 00:43:35 2023 +0100

    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@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230302234336.25456-6-thenzl@xxxxxxxxxx
    Acked-by: Sathya Prakash Veerichetty <sathya.prakash@xxxxxxxxxxxx>
    Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 37aaf8dc65d4d..1a404d71b88cf 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -3814,29 +3814,34 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
 
 	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);



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