staging: kpc2000: fix error return code in kp2000_pcie_probe()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function. Also
removed var 'rv' since we can use 'err' instead.

Fixes: 7dc7967fc3 ("staging: kpc2000: add initial set of Daktronics drivers")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200506134735.102041-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2020-05-06 13:47:35 +00:00 committed by Greg Kroah-Hartman
parent 2ef96a5bb1
commit b17884ccf2

View File

@ -298,7 +298,6 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
{
int err = 0;
struct kp2000_device *pcard;
int rv;
unsigned long reg_bar_phys_addr;
unsigned long reg_bar_phys_len;
unsigned long dma_bar_phys_addr;
@ -445,11 +444,11 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
if (err < 0)
goto err_release_dma;
rv = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED,
pcard->name, pcard);
if (rv) {
err = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED,
pcard->name, pcard);
if (err) {
dev_err(&pcard->pdev->dev,
"%s: failed to request_irq: %d\n", __func__, rv);
"%s: failed to request_irq: %d\n", __func__, err);
goto err_disable_msi;
}