---

yaml --- r: 201054 b: refs/heads/master c: 2ebc346 h: refs/heads/master v: v3
git-mirror · Jul 19, 2010 · 1a084d5 · 1a084d5
1 parent d9b364d
commit 1a084d5
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b5384d48f4e74edec3ca1887cb65e378a72af9a1
+refs/heads/master: 2ebc3464781ad24474abcbd2274e6254689853b5
diff --git a/trunk/fs/btrfs/ioctl.c b/trunk/fs/btrfs/ioctl.c
@@ -1458,7 +1458,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 	 */
 
 	/* the destination must be opened for writing */
-	if (!(file->f_mode & FMODE_WRITE))
+	if (!(file->f_mode & FMODE_WRITE) || (file->f_flags & O_APPEND))
 		return -EINVAL;
 
 	ret = mnt_want_write(file->f_path.mnt);
@@ -1511,7 +1511,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 
 	/* determine range to clone */
 	ret = -EINVAL;
-	if (off >= src->i_size || off + len > src->i_size)
+	if (off + len > src->i_size || off + len < off)
 		goto out_unlock;
 	if (len == 0)
 		olen = len = src->i_size - off;