From: Dan Carpenter <error27@gmail.com>
Date: Mon, 27 Feb 2023 10:33:30 +0000 (+0300)
Subject: fbdev: chipsfb: Fix error codes in chipsfb_pci_init()
X-Git-Tag: microblaze-v6.6~299^2^2~72
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=77bc762451c2dc72bdbea07b857c916c9e7f4952;p=linux-2.6-microblaze.git

fbdev: chipsfb: Fix error codes in chipsfb_pci_init()

The error codes are not set on these error paths.

Fixes: 145eed48de27 ("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
---

diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c
index cc37ec3f8fc1..7799d52a651f 100644
--- 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;
 	}