squashfs: xattr_lookup sparse fix

Sparse detected that unsigned pointer was being passed as int pointer.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
[fixed up to deal with code refactoring]
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>

fs/squashfs/xattr.h

@@ -25,7 +25,7 @@
 extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
 		u64 *, int *);
 extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
-		int *, long long *);
+		int *, unsigned long long *);
 #else
 static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
 		u64 start, u64 *xattr_table_start, int *xattr_ids)
@@ -35,7 +35,8 @@ static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
 }
 
 static inline int squashfs_xattr_lookup(struct super_block *sb,
-		unsigned int index, int *count, int *size, long long *xattr)
+		unsigned int index, int *count, int *size,
+		unsigned long long *xattr)
 {
 	return 0;
 }

fs/squashfs/xattr_id.c

@@ -39,7 +39,7 @@
  * Map xattr id using the xattr id look up table
  */
 int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
-		int *count, int *size, long long *xattr)
+		int *count, unsigned int *size, unsigned long long *xattr)
 {
 	struct squashfs_sb_info *msblk = sb->s_fs_info;
 	int block = SQUASHFS_XATTR_BLOCK(index);