ROMFS: romfs_dev_read() error ignored

romfs_dev_read() may return -EIO, but ret is unsigned, so the errorpath
isn't taken.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/romfs/super.c

@@ -298,7 +298,8 @@ static struct inode *romfs_iget(struct super_block *sb, unsigned long pos)
 	struct romfs_inode ri;
 	struct inode *i;
 	unsigned long nlen;
-	unsigned nextfh, ret;
+	unsigned nextfh;
+	int ret;
 	umode_t mode;
 
 	/* we might have to traverse a chain of "hard link" file entries to get