Thread (2 messages) flat view 2 messages, 2 authors, 2009-02-09
STALE6438d

[PATCH 9/15] valkyriefb: check fb_alloc_cmap return value and handle failure properly

From: Andres Salomon <hidden>
Date: 2009-02-07 17:25:14
Also in: lkml
Subsystem: framebuffer layer, the rest · Maintainers: Helge Deller, Linus Torvalds

Signed-off-by: Andres Salomon <redacted>
---
 drivers/video/valkyriefb.c |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/video/valkyriefb.c b/drivers/video/valkyriefb.c
index 7b0cef9..4bb9a0b 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);
 }
 
 
-- 
1.5.6.5


------------------------------------------------------------------------------
Create and Deploy Rich Internet Apps outside the browser with Adobe(R)AIR(TM)
software. With Adobe AIR, Ajax developers can use existing skills and code to
build responsive, highly engaging applications that combine the power of local
resources and data with the reach of the web. Download the Adobe AIR SDK and
Ajax docs to start building applications today-http://p.sf.net/sfu/adobe-com
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help