fbdev: chipsfb: Fix error codes in chipsfb_pci_init()

[ Upstream commit 03fa022c67c44ce92fe1e51a11ab411779fd4f94 ]

The error codes are not set on these error paths.

Fixes: 41539220b34c ("fbdev: Remove conflicting devices on PCI bus")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Y/yG+sm2mhdJeTZW@kili
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c
index f1c1c95c1fdf05e52b70075a18f4ed253cbe8d4c..2ecb97c619b7c93ea288fe4aeac9859ba735c29f 100644 (file)
--- a/drivers/video/fbdev/chipsfb.c
+++ b/drivers/video/fbdev/chipsfb.c
@@ -358,16 +358,21 @@ static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
        if (rc)
                return rc;
 
-       if (pci_enable_device(dp) < 0) {
+       rc = pci_enable_device(dp);
+       if (rc < 0) {
                dev_err(&dp->dev, "Cannot enable PCI device\n");
                goto err_out;
        }
 
-       if ((dp->resource[0].flags & IORESOURCE_MEM) == 0)
+       if ((dp->resource[0].flags & IORESOURCE_MEM) == 0) {
+               rc = -ENODEV;
                goto err_disable;
+       }
        addr = pci_resource_start(dp, 0);
-       if (addr == 0)
+       if (addr == 0) {
+               rc = -ENODEV;
                goto err_disable;
+       }
 
        p = framebuffer_alloc(0, &dp->dev);
        if (p == NULL) {
@@ -417,7 +422,8 @@ static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
 
        init_chips(p, addr);
 
-       if (register_framebuffer(p) < 0) {
+       rc = register_framebuffer(p);
+       if (rc < 0) {
                dev_err(&dp->dev,"C&T 65550 framebuffer failed to register\n");
                goto err_unmap;
        }