- if (offset < i_size_read(inode)) {
- avail = inode->i_size-offset;
- readlen = min_t(unsigned long, avail, PAGE_SIZE);
- if (romfs_copyfrom(inode, buf, ROMFS_I(inode)->i_dataoffset+offset, readlen) == readlen) {
- if (readlen < PAGE_SIZE) {
- memset(buf + readlen,0,PAGE_SIZE-readlen);
- }
- SetPageUptodate(page);
- result = 0;
+ size = i_size_read(inode);
+ filled = 0;
+ result = 0;
+ if (offset < size) {
+ unsigned long readlen;
+
+ size -= offset;
+ readlen = size > PAGE_SIZE ? PAGE_SIZE : size;
+
+ filled = romfs_copyfrom(inode, buf, ROMFS_I(inode)->i_dataoffset+offset, readlen);
+
+ if (filled != readlen) {
+ SetPageError(page);
+ filled = 0;
+ result = -EIO;