X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbtrfs%2Finode.c;h=0ccc7438ad3477163a2fe6d642f2ba40cb9e1533;hb=15ce92861f7fe59de83667c0124a7ead3423c7a0;hp=15fceefbca0a02b9d1c9ddf3a4da224228c2ec40;hpb=22de4534ae12d61257fc0e53d2571686b03305bc;p=pandora-kernel.git

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 15fceefbca0a..0ccc7438ad34 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7354,11 +7354,15 @@ static int btrfs_set_page_dirty(struct page *page)
 static int btrfs_permission(struct inode *inode, int mask)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
+	umode_t mode = inode->i_mode;
 
-	if (btrfs_root_readonly(root) && (mask & MAY_WRITE))
-		return -EROFS;
-	if ((BTRFS_I(inode)->flags & BTRFS_INODE_READONLY) && (mask & MAY_WRITE))
-		return -EACCES;
+	if (mask & MAY_WRITE &&
+	    (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))) {
+		if (btrfs_root_readonly(root))
+			return -EROFS;
+		if (BTRFS_I(inode)->flags & BTRFS_INODE_READONLY)
+			return -EACCES;
+	}
 	return generic_permission(inode, mask);
 }