~hc/RK356X_SDK_RELEASE.git

..	..	@@ -2325,7 +2325,7 @@
2325	2325	int i, j;
2326	2326
2327	2327	bh = __getblk(dev, block, bufsize);
2328		- if (buffer_uptodate(bh))
	2328	+ if (!bh \|\| buffer_uptodate(bh))
2329	2329	return (bh);
2330	2330
2331	2331	if (block + BUFNR > max_block) {
..	..	@@ -2335,6 +2335,8 @@
2335	2335	j = 1;
2336	2336	for (i = 1; i < blocks; i++) {
2337	2337	bh = __getblk(dev, block + i, bufsize);
	2338	+ if (!bh)
	2339	+ break;
2338	2340	if (buffer_uptodate(bh)) {
2339	2341	brelse(bh);
2340	2342	break;