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| author | Andres Salomon <dilinger@queued.net> | 2009-03-31 15:25:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-01 08:59:31 -0700 |
| commit | 175b39fb7e145e1aa06f6369c1fbea16873dee9e (patch) | |
| tree | ff45d85b1c7898e8177bc4e95352634656ca3a29 /drivers/video/stifb.c | |
| parent | c23124277e58998703278c26c53b159cea0f9643 (diff) | |
| download | linux-175b39fb7e145e1aa06f6369c1fbea16873dee9e.tar.gz linux-175b39fb7e145e1aa06f6369c1fbea16873dee9e.tar.bz2 linux-175b39fb7e145e1aa06f6369c1fbea16873dee9e.zip | |
stifb: check fb_alloc_cmap return value and handle failure properly
Signed-off-by: Andres Salomon <dilinger@debian.org>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/stifb.c')
| -rw-r--r-- | drivers/video/stifb.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/video/stifb.c b/drivers/video/stifb.c index 166481402412..eabaad765aeb 100644 --- a/drivers/video/stifb.c +++ b/drivers/video/stifb.c @@ -1262,24 +1262,25 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) info->flags = FBINFO_DEFAULT; info->pseudo_palette = &fb->pseudo_palette; - /* This has to been done !!! */ - fb_alloc_cmap(&info->cmap, NR_PALETTE, 0); + /* This has to be done !!! */ + if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0)) + goto out_err1; stifb_init_display(fb); if (!request_mem_region(fix->smem_start, fix->smem_len, "stifb fb")) { printk(KERN_ERR "stifb: cannot reserve fb region 0x%04lx-0x%04lx\n", fix->smem_start, fix->smem_start+fix->smem_len); - goto out_err1; + goto out_err2; } if (!request_mem_region(fix->mmio_start, fix->mmio_len, "stifb mmio")) { printk(KERN_ERR "stifb: cannot reserve sti mmio region 0x%04lx-0x%04lx\n", fix->mmio_start, fix->mmio_start+fix->mmio_len); - goto out_err2; + goto out_err3; } if (register_framebuffer(&fb->info) < 0) - goto out_err3; + goto out_err4; sti->info = info; /* save for unregister_framebuffer() */ @@ -1297,13 +1298,14 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) return 0; -out_err3: +out_err4: release_mem_region(fix->mmio_start, fix->mmio_len); -out_err2: +out_err3: release_mem_region(fix->smem_start, fix->smem_len); +out_err2: + fb_dealloc_cmap(&info->cmap); out_err1: iounmap(info->screen_base); - fb_dealloc_cmap(&info->cmap); out_err0: kfree(fb); return -ENXIO; |