diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-05-27 11:43:21 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-20 16:22:43 +0200 |
| commit | b7a2bcb4a3731d68f938207f75ed3e1d41774510 (patch) | |
| tree | 3885161bd122f67ba1a96df13fd8604ab8382594 /drivers | |
| parent | ea2ef115cf2d65b41cf2b7cdbba9f8dea4221853 (diff) | |
memory: fsl_ifc: fix leak of IO mapping on probe failure
[ 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@canonical.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/memory/fsl_ifc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c index acd1460cf787..040be4638140 100644 --- a/drivers/memory/fsl_ifc.c +++ b/drivers/memory/fsl_ifc.c @@ -228,8 +228,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev) fsl_ifc_ctrl_dev->regs = of_iomap(dev->dev.of_node, 0); if (!fsl_ifc_ctrl_dev->regs) { dev_err(&dev->dev, "failed to get memory region\n"); - ret = -ENODEV; - goto err; + return -ENODEV; } version = ifc_in32(&fsl_ifc_ctrl_dev->regs->ifc_rev) & @@ -306,6 +305,7 @@ 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; } |