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staging: vchiq_arm: fix error codes in probe

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If vchiq_debugfs_init() fails, then we accidentally return a valid
pointer casted to int on error.  This code is simpler if we get rid of
the "ptr_err" variable and just use "err" throughout.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2017-07-11 22:55:04 +03:00 committed by Greg Kroah-Hartman
parent 15d5193104
commit 397fcd12e4
1 changed files with 4 additions and 6 deletions
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10
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
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@ -3391,7 +3391,6 @@ static int vchiq_probe(struct platform_device *pdev)
struct device_node *fw_node;
struct rpi_firmware *fw;
int err;
void *ptr_err;
fw_node = of_parse_phandle(pdev->dev.of_node, "firmware", 0);
if (!fw_node) {
@ -3427,14 +3426,14 @@ static int vchiq_probe(struct platform_device *pdev)
/* create sysfs entries */
vchiq_class = class_create(THIS_MODULE, DEVICE_NAME);
ptr_err = vchiq_class;
if (IS_ERR(ptr_err))
err = PTR_ERR(vchiq_class);
if (IS_ERR(vchiq_class))
goto failed_class_create;
vchiq_dev = device_create(vchiq_class, NULL,
vchiq_devid, NULL, "vchiq");
ptr_err = vchiq_dev;
if (IS_ERR(ptr_err))
err = PTR_ERR(vchiq_dev);
if (IS_ERR(vchiq_dev))
goto failed_device_create;
/* create debugfs entries */
@ -3455,7 +3454,6 @@ static int vchiq_probe(struct platform_device *pdev)
class_destroy(vchiq_class);
failed_class_create:
cdev_del(&vchiq_cdev);
err = PTR_ERR(ptr_err);
failed_cdev_add:
unregister_chrdev_region(vchiq_devid, 1);
failed_platform_init: