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cxl: Fix an error message

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'rc' is known to be 0 here.
Initialize 'rc' with the expected error code before using it.

While at it, avoid the affectation of 'rc' in a 'if' to make things more
obvious and linux style.

Fixes: f204e0b8ce ("cxl: Driver code for powernv PCIe based cards for userspace access")
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/fa2b2c9c72335ab4c3d5e6a33415e7f020b1d51b.1620243401.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET 2021-05-05 21:38:49 +02:00 committed by Greg Kroah-Hartman
parent e4e050167f
commit da9db71173
1 changed files with 3 additions and 2 deletions
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5
drivers/misc/cxl/file.c
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@ -569,7 +569,8 @@ static int cxl_add_chardev(struct cxl_afu *afu, dev_t devt, struct cdev *cdev,
int rc;
cdev_init(cdev, fops);
if ((rc = cdev_add(cdev, devt, 1))) {
rc = cdev_add(cdev, devt, 1);
if (rc) {
dev_err(&afu->dev, "Unable to add %s chardev: %i\n", desc, rc);
return rc;
}
@ -577,8 +578,8 @@ static int cxl_add_chardev(struct cxl_afu *afu, dev_t devt, struct cdev *cdev,
dev = device_create(cxl_class, &afu->dev, devt, afu,
"afu%i.%i%s", afu->adapter->adapter_num, afu->slice, postfix);
if (IS_ERR(dev)) {
dev_err(&afu->dev, "Unable to create %s chardev in sysfs: %i\n", desc, rc);
rc = PTR_ERR(dev);
dev_err(&afu->dev, "Unable to create %s chardev in sysfs: %i\n", desc, rc);
goto err;
}