Merge branch 'topic/asoc' into for-linus

[pandora-kernel.git] / fs / devpts / inode.c

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 21165cf..c68edb9 100644 (file)
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -90,6 +90,15 @@ static inline struct super_block *pts_sb_from_inode(struct inode *inode)
 #define PARSE_MOUNT    0
 #define PARSE_REMOUNT  1
 
+/*
+ * parse_mount_options():
+ *     Set @opts to mount options specified in @data. If an option is not
+ *     specified in @data, set it to its default value. The exception is
+ *     'newinstance' option which can only be set/cleared on a mount (i.e.
+ *     cannot be changed during remount).
+ *
+ * Note: @data may be NULL (in which case all options are set to default).
+ */
 static int parse_mount_options(char *data, int op, struct pts_mount_opts *opts)
 {
        char *p;
@@ -355,12 +364,9 @@ static int devpts_get_sb(struct file_system_type *fs_type,
        struct pts_mount_opts opts;
        struct super_block *s;
 
-       memset(&opts, 0, sizeof(opts));
-       if (data) {
-               error = parse_mount_options(data, PARSE_MOUNT, &opts);
-               if (error)
-                       return error;
-       }
+       error = parse_mount_options(data, PARSE_MOUNT, &opts);
+       if (error)
+               return error;
 
        if (opts.newinstance)
                s = sget(fs_type, NULL, set_anon_super, NULL);