From ccb121e6958eca5f58938e56523fc589fed36fa8 Mon Sep 17 00:00:00 2001 From: Andres Salomon Date: Tue, 31 Mar 2009 15:25:26 -0700 Subject: [PATCH] valkyriefb: check fb_alloc_cmap return value and handle failure properly Signed-off-by: Andres Salomon Acked-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/valkyriefb.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/video/valkyriefb.c b/drivers/video/valkyriefb.c index 7b0cef9ca8f9..4bb9a0b18950 100644 --- a/drivers/video/valkyriefb.c +++ b/drivers/video/valkyriefb.c @@ -119,7 +119,7 @@ static void set_valkyrie_clock(unsigned char *params); static int valkyrie_var_to_par(struct fb_var_screeninfo *var, struct fb_par_valkyrie *par, const struct fb_info *fb_info); -static void valkyrie_init_info(struct fb_info *info, struct fb_info_valkyrie *p); +static int valkyrie_init_info(struct fb_info *info, struct fb_info_valkyrie *p); static void valkyrie_par_to_fix(struct fb_par_valkyrie *par, struct fb_fix_screeninfo *fix); static void valkyrie_init_fix(struct fb_fix_screeninfo *fix, struct fb_info_valkyrie *p); @@ -381,18 +381,22 @@ int __init valkyriefb_init(void) valkyrie_choose_mode(p); mac_vmode_to_var(default_vmode, default_cmode, &p->info.var); - valkyrie_init_info(&p->info, p); + err = valkyrie_init_info(&p->info, p); + if (err < 0) + goto out_free; valkyrie_init_fix(&p->info.fix, p); if (valkyriefb_set_par(&p->info)) /* "can't happen" */ printk(KERN_ERR "valkyriefb: can't set default video mode\n"); if ((err = register_framebuffer(&p->info)) != 0) - goto out_free; + goto out_cmap_free; printk(KERN_INFO "fb%d: valkyrie frame buffer device\n", p->info.node); return 0; + out_cmap_free: + fb_dealloc_cmap(&p->info.cmap); out_free: if (p->frame_buffer) iounmap(p->frame_buffer); @@ -538,14 +542,15 @@ static void valkyrie_par_to_fix(struct fb_par_valkyrie *par, /* ywrapstep, xpanstep, ypanstep */ } -static void __init valkyrie_init_info(struct fb_info *info, struct fb_info_valkyrie *p) +static int __init valkyrie_init_info(struct fb_info *info, + struct fb_info_valkyrie *p) { info->fbops = &valkyriefb_ops; info->screen_base = p->frame_buffer + 0x1000; info->flags = FBINFO_DEFAULT; info->pseudo_palette = p->pseudo_palette; - fb_alloc_cmap(&info->cmap, 256, 0); info->par = &p->par; + return fb_alloc_cmap(&info->cmap, 256, 0); } -- 2.20.1