memstick: r592: Fix error return in r592_probe()

Fix to return a error code from the error handling case instead of 0.

Fixes: 926341250102 ("memstick: add driver for Ricoh R5C592 card reader")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Link: https://lore.kernel.org/r/20201125014718.153563-1-jingxiangfeng@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c
index dd3a1f3..d2ef463 100644 (file)
--- a/drivers/memstick/host/r592.c
+++ b/drivers/memstick/host/r592.c
@@ -759,8 +759,10 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                goto error3;
 
        dev->mmio = pci_ioremap_bar(pdev, 0);
-       if (!dev->mmio)
+       if (!dev->mmio) {
+               error = -ENOMEM;
                goto error4;
+       }
 
        dev->irq = pdev->irq;
        spin_lock_init(&dev->irq_lock);
@@ -786,12 +788,14 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                &dev->dummy_dma_page_physical_address, GFP_KERNEL);
        r592_stop_dma(dev , 0);
 
-       if (request_irq(dev->irq, &r592_irq, IRQF_SHARED,
-                         DRV_NAME, dev))
+       error = request_irq(dev->irq, &r592_irq, IRQF_SHARED,
+                         DRV_NAME, dev);
+       if (error)
                goto error6;
 
        r592_update_card_detect(dev);
-       if (memstick_add_host(host))
+       error = memstick_add_host(host);
+       if (error)
                goto error7;
 
        message("driver successfully loaded");