diff options
Diffstat (limited to 'drivers/video/fbdev/vesafb.c')
| -rw-r--r-- | drivers/video/fbdev/vesafb.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c index a1fe24ea869b..df6de5a9dd4c 100644 --- a/drivers/video/fbdev/vesafb.c +++ b/drivers/video/fbdev/vesafb.c @@ -32,6 +32,7 @@ struct vesafb_par { u32 pseudo_palette[256]; int wc_cookie; + struct resource *region; }; static struct fb_var_screeninfo vesafb_defined = { @@ -411,7 +412,7 @@ static int vesafb_probe(struct platform_device *dev) /* request failure does not faze us, as vgacon probably has this * region already (FIXME) */ - request_region(0x3c0, 32, "vesafb"); + par->region = request_region(0x3c0, 32, "vesafb"); if (mtrr == 3) { unsigned int temp_size = size_total; @@ -439,7 +440,7 @@ static int vesafb_probe(struct platform_device *dev) "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", vesafb_fix.smem_len, vesafb_fix.smem_start); err = -EIO; - goto err; + goto err_release_region; } printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, " @@ -458,19 +459,22 @@ static int vesafb_probe(struct platform_device *dev) if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { err = -ENOMEM; - goto err; + goto err_release_region; } if (register_framebuffer(info)<0) { err = -EINVAL; fb_dealloc_cmap(&info->cmap); - goto err; + goto err_release_region; } fb_info(info, "%s frame buffer device\n", info->fix.id); return 0; -err: +err_release_region: arch_phys_wc_del(par->wc_cookie); if (info->screen_base) iounmap(info->screen_base); + if (par->region) + release_region(0x3c0, 32); +err: framebuffer_release(info); release_mem_region(vesafb_fix.smem_start, size_total); return err; @@ -481,6 +485,8 @@ static int vesafb_remove(struct platform_device *pdev) struct fb_info *info = platform_get_drvdata(pdev); unregister_framebuffer(info); + if (((struct vesafb_par *)(info->par))->region) + release_region(0x3c0, 32); framebuffer_release(info); return 0; |