[PATCH] better error handing in savagefb_probe

err remains uninitialized of pci_request_regions fails.

Found by Thorsten Kukuk, I added a few more checks.

Signed-off-by: Olaf Hering <olh@suse.de>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c
index abad90a3702c..86522888e0aa 100644
--- a/drivers/video/savage/savagefb_driver.c
+++ b/drivers/video/savage/savagefb_driver.c
@@ -1976,12 +1976,11 @@ static int __devinit savage_init_fb_info (struct fb_info *info,
                 info->pixmap.buf_align = 4;
                 info->pixmap.access_align = 32;
 
-                fb_alloc_cmap (&info->cmap, NR_PALETTE, 0);
+                err = fb_alloc_cmap (&info->cmap, NR_PALETTE, 0);
+                if (!err)
                 info->flags |= FBINFO_HWACCEL_COPYAREA |
                                FBINFO_HWACCEL_FILLRECT |
                                FBINFO_HWACCEL_IMAGEBLIT;
-
-                err = 0;
         }
 #endif
         return err;
@@ -2009,14 +2008,14 @@ static int __devinit savagefb_probe (struct pci_dev* dev,
         if (err)
                 goto failed_enable;
 
-        if (pci_request_regions(dev, "savagefb")) {
+        if ((err = pci_request_regions(dev, "savagefb"))) {
                 printk(KERN_ERR "cannot request PCI regions\n");
                 goto failed_enable;
         }
 
         err = -ENOMEM;
 
-        if (savage_init_fb_info(info, dev, id))
+        if ((err = savage_init_fb_info(info, dev, id)))
                 goto failed_init;
 
         err = savage_map_mmio(info);
@@ -2024,6 +2023,7 @@ static int __devinit savagefb_probe (struct pci_dev* dev,
                 goto failed_mmio;
 
         video_len = savage_init_hw(par);
+        /* FIXME: cant be negative */
         if (video_len < 0) {
                 err = video_len;
                 goto failed_mmio;