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Subject[PATCH 5.4 083/111] staging: kpc2000: fix error return code in kp2000_pcie_probe()
Date
From: Wei Yongjun <weiyongjun1@huawei.com>

commit b17884ccf29e127b16bba6aea1438c851c9f5af1 upstream.

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: 7dc7967fc39a ("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>

---
drivers/staging/kpc2000/kpc2000/core.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

--- a/drivers/staging/kpc2000/kpc2000/core.c
+++ b/drivers/staging/kpc2000/kpc2000/core.c
@@ -298,7 +298,6 @@ static int kp2000_pcie_probe(struct pci_
{
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_
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;
}


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