Patch "dmaengine: ioatdma: Fix missing kmem_cache_destroy()" has been added to the 5.4-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    dmaengine: ioatdma: Fix missing kmem_cache_destroy()

to the 5.4-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:
     dmaengine-ioatdma-fix-missing-kmem_cache_destroy.patch
and it can be found in the queue-5.4 subdirectory.

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



commit e6cbd29e18780f59f1cbb2ffff76f30415ba59fa
Author: Nikita Shubin <n.shubin@xxxxxxxxx>
Date:   Tue May 14 13:52:31 2024 +0300

    dmaengine: ioatdma: Fix missing kmem_cache_destroy()
    
    [ Upstream commit 5422145d0b749ad554ada772133b9b20f9fb0ec8 ]
    
    Fix missing kmem_cache_destroy() for ioat_sed_cache in
    ioat_exit_module().
    
    Noticed via:
    
    ```
    modprobe ioatdma
    rmmod ioatdma
    modprobe ioatdma
    debugfs: Directory 'ioat_sed_ent' with parent 'slab' already present!
    ```
    
    Fixes: c0f28ce66ecf ("dmaengine: ioatdma: move all the init routines")
    Signed-off-by: Nikita Shubin <n.shubin@xxxxxxxxx>
    Acked-by: Dave Jiang <dave.jiang@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20240514-ioatdma_fixes-v1-1-2776a0913254@xxxxxxxxx
    Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index a6a6dc432db82..de1ac910464e5 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -1446,6 +1446,7 @@ module_init(ioat_init_module);
 static void __exit ioat_exit_module(void)
 {
 	pci_unregister_driver(&ioat_pci_driver);
+	kmem_cache_destroy(ioat_sed_cache);
 	kmem_cache_destroy(ioat_cache);
 }
 module_exit(ioat_exit_module);