diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/hpfb.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c index ebf8495ff198..7324865f965f 100644 --- a/drivers/video/hpfb.c +++ b/drivers/video/hpfb.c @@ -210,6 +210,7 @@ static int __devinit hpfb_init_one(unsigned long phys_base, unsigned long virt_base) { unsigned long fboff, fb_width, fb_height, fb_start; + int ret; fb_regs = virt_base; fboff = (in_8(fb_regs + HPFB_FBOMSB) << 8) | in_8(fb_regs + HPFB_FBOLSB); @@ -290,19 +291,29 @@ static int __devinit hpfb_init_one(unsigned long phys_base, fb_info.var = hpfb_defined; fb_info.screen_base = (char *)fb_start; - fb_alloc_cmap(&fb_info.cmap, 1 << hpfb_defined.bits_per_pixel, 0); + ret = fb_alloc_cmap(&fb_info.cmap, 1 << hpfb_defined.bits_per_pixel, 0); + if (ret < 0) + goto unmap_screen_base; - if (register_framebuffer(&fb_info) < 0) { - fb_dealloc_cmap(&fb_info.cmap); - iounmap(fb_info.screen_base); - fb_info.screen_base = NULL; - return 1; - } + ret = register_framebuffer(&fb_info); + if (ret < 0) + goto dealloc_cmap; printk(KERN_INFO "fb%d: %s frame buffer device\n", fb_info.node, fb_info.fix.id); return 0; + +dealloc_cmap: + fb_dealloc_cmap(&fb_info.cmap); + +unmap_screen_base: + if (fb_info.screen_base) { + iounmap(fb_info.screen_base); + fb_info.screen_base = NULL; + } + + return ret; } /* @@ -345,6 +356,9 @@ static void __devexit hpfb_remove_one(struct dio_dev *d) if (d->scode >= DIOII_SCBASE) iounmap((void *)fb_regs); release_mem_region(d->resource.start, resource_size(&d->resource)); + fb_dealloc_cmap(&fb_info.cmap); + if (fb_info.screen_base) + iounmap(fb_info.screen_base); } static struct dio_device_id hpfb_dio_tbl[] = { |