From: Krzysztof Kozlowski krzysztof.kozlowski@canonical.com
[ Upstream commit 3b132ab67fc7a358fff35e808fa65d4bea452521 ]
On probe error the driver should unmap the IO memory. Smatch reports:
drivers/memory/fsl_ifc.c:298 fsl_ifc_ctrl_probe() warn: 'fsl_ifc_ctrl_dev->gregs' not released on lines: 298.
Fixes: a20cbdeffce2 ("powerpc/fsl: Add support for Integrated Flash Controller") Reported-by: kernel test robot lkp@intel.com Reported-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@canonical.com Link: https://lore.kernel.org/r/20210527154322.81253-1-krzysztof.kozlowski@canonic... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/memory/fsl_ifc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c index a2c971743ffe..90aa658797af 100644 --- a/drivers/memory/fsl_ifc.c +++ b/drivers/memory/fsl_ifc.c @@ -218,8 +218,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev) fsl_ifc_ctrl_dev->gregs = of_iomap(dev->dev.of_node, 0); if (!fsl_ifc_ctrl_dev->gregs) { dev_err(&dev->dev, "failed to get memory region\n"); - ret = -ENODEV; - goto err; + return -ENODEV; }
if (of_property_read_bool(dev->dev.of_node, "little-endian")) { @@ -295,6 +294,7 @@ err_irq: free_irq(fsl_ifc_ctrl_dev->irq, fsl_ifc_ctrl_dev); irq_dispose_mapping(fsl_ifc_ctrl_dev->irq); err: + iounmap(fsl_ifc_ctrl_dev->gregs); return ret; }