This is a note to let you know that I've just added the patch titled
memory: fsl_ifc: fix leak of private memory on probe failure
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:
memory-fsl_ifc-fix-leak-of-private-memory-on-probe-f.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 026392d547c431c057904264d1b485c6d3a89bac
Author: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Date: Thu May 27 11:43:22 2021 -0400
memory: fsl_ifc: fix leak of private memory on probe failure
[ Upstream commit 8e0d09b1232d0538066c40ed4c13086faccbdff6 ]
On probe error the driver should free the memory allocated for private
structure. Fix this by using resource-managed allocation.
Fixes: a20cbdeffce2 ("powerpc/fsl: Add support for Integrated Flash Controller")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210527154322.81253-2-krzysztof.kozlowski@xxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c
index 90aa658797af..279025834607 100644
--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -96,7 +96,6 @@ static int fsl_ifc_ctrl_remove(struct platform_device *dev)
iounmap(ctrl->gregs);
dev_set_drvdata(&dev->dev, NULL);
- kfree(ctrl);
return 0;
}
@@ -208,7 +207,8 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
dev_info(&dev->dev, "Freescale Integrated Flash Controller\n");
- fsl_ifc_ctrl_dev = kzalloc(sizeof(*fsl_ifc_ctrl_dev), GFP_KERNEL);
+ fsl_ifc_ctrl_dev = devm_kzalloc(&dev->dev, sizeof(*fsl_ifc_ctrl_dev),
+ GFP_KERNEL);
if (!fsl_ifc_ctrl_dev)
return -ENOMEM;
