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Subject[PATCH 4.4 09/47] Revert "memory: fsl_ifc: fix leak of IO mapping on probe failure"
Date
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This reverts commit b7a2bcb4a3731d68f938207f75ed3e1d41774510 which is
commit 3b132ab67fc7a358fff35e808fa65d4bea452521 upstream.

As reported, it breaks the build, the 'gregs' field is not in the 4.4.y
kernel tree.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210721144845.GA3445926@roeck-us.net
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/memory/fsl_ifc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -228,7 +228,8 @@ static int fsl_ifc_ctrl_probe(struct pla
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");
- return -ENODEV;
+ ret = -ENODEV;
+ goto err;
}

version = ifc_in32(&fsl_ifc_ctrl_dev->regs->ifc_rev) &
@@ -305,7 +306,6 @@ 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;
}


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