vt8623fb: fix kernel oops
commit 20e061fb750d36ec0ffcb2e44ed7dafa9018223b
Author: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon Apr 28 02:15:18 2008 -0700
fbdev: framebuffer_alloc() fixes
Correct the dev arg of framebuffer_alloc() in arkfb, s3fb and vt8623fb.
causes a null-pointer deref because "info->dev is NULL, info was just
kzallocated".
Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>
Reported-by: "MadLoisae@gmx.net" <MadLoisae@gmx.net>
Tested-by: "MadLoisae@gmx.net" <MadLoisae@gmx.net>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: <stable@kernel.org> [2.6.26.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index 38a1e83..4bd569e 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -958,20 +958,20 @@
/* Prepare PCI device */
rc = pci_enable_device(dev);
if (rc < 0) {
- dev_err(info->dev, "cannot enable PCI device\n");
+ dev_err(info->device, "cannot enable PCI device\n");
goto err_enable_device;
}
rc = pci_request_regions(dev, "arkfb");
if (rc < 0) {
- dev_err(info->dev, "cannot reserve framebuffer region\n");
+ dev_err(info->device, "cannot reserve framebuffer region\n");
goto err_request_regions;
}
par->dac = ics5342_init(ark_dac_read_regs, ark_dac_write_regs, info);
if (! par->dac) {
rc = -ENOMEM;
- dev_err(info->dev, "RAMDAC initialization failed\n");
+ dev_err(info->device, "RAMDAC initialization failed\n");
goto err_dac;
}
@@ -982,7 +982,7 @@
info->screen_base = pci_iomap(dev, 0, 0);
if (! info->screen_base) {
rc = -ENOMEM;
- dev_err(info->dev, "iomap for framebuffer failed\n");
+ dev_err(info->device, "iomap for framebuffer failed\n");
goto err_iomap;
}
@@ -1004,19 +1004,19 @@
rc = fb_find_mode(&(info->var), info, mode_option, NULL, 0, NULL, 8);
if (! ((rc == 1) || (rc == 2))) {
rc = -EINVAL;
- dev_err(info->dev, "mode %s not found\n", mode_option);
+ dev_err(info->device, "mode %s not found\n", mode_option);
goto err_find_mode;
}
rc = fb_alloc_cmap(&info->cmap, 256, 0);
if (rc < 0) {
- dev_err(info->dev, "cannot allocate colormap\n");
+ dev_err(info->device, "cannot allocate colormap\n");
goto err_alloc_cmap;
}
rc = register_framebuffer(info);
if (rc < 0) {
- dev_err(info->dev, "cannot register framebugger\n");
+ dev_err(info->device, "cannot register framebugger\n");
goto err_reg_fb;
}
@@ -1090,7 +1090,7 @@
struct fb_info *info = pci_get_drvdata(dev);
struct arkfb_info *par = info->par;
- dev_info(info->dev, "suspend\n");
+ dev_info(info->device, "suspend\n");
acquire_console_sem();
mutex_lock(&(par->open_lock));
@@ -1121,7 +1121,7 @@
struct fb_info *info = pci_get_drvdata(dev);
struct arkfb_info *par = info->par;
- dev_info(info->dev, "resume\n");
+ dev_info(info->device, "resume\n");
acquire_console_sem();
mutex_lock(&(par->open_lock));