---

yaml --- r: 26016 b: refs/heads/master c: 6a2a886 h: refs/heads/master v: v3
git-mirror · Apr 19, 2006 · 960feb3 · 960feb3
1 parent 8fa7350
commit 960feb3
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a61bdaad6c696e850d8fa412f1f201cbca51ad30
+refs/heads/master: 6a2a88668e90cd2459d0493e3e3ff17c3557febc
diff --git a/trunk/drivers/video/fbmem.c b/trunk/drivers/video/fbmem.c
@@ -674,13 +674,19 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 		total_size = info->fix.smem_len;
 
 	if (p > total_size)
-		return 0;
+		return -EFBIG;
 
-	if (count >= total_size)
+	if (count > total_size) {
+		err = -EFBIG;
 		count = total_size;
+	}
+
+	if (count + p > total_size) {
+		if (!err)
+			err = -ENOSPC;
 
-	if (count + p > total_size)
 		count = total_size - p;
+	}
 
 	buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
 			 GFP_KERNEL);
@@ -722,7 +728,7 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 
 	kfree(buffer);
 
-	return (err) ? err : cnt;
+	return (cnt) ? cnt : err;
 }
 
 #ifdef CONFIG_KMOD