fs/jffs2/readinode.c

587 				struct jffs2_raw_dirent *rd, size_t read,
596 	crc = crc32(0, rd, sizeof(*rd) - 8);
597 	if (unlikely(crc != je32_to_cpu(rd->node_crc))) {
599 			     ref_offset(ref), je32_to_cpu(rd->node_crc), crc);
610 		if (unlikely(PAD((rd->nsize + sizeof(*rd))) != PAD(je32_to_cpu(rd->totlen)))) {
612 				    ref_offset(ref), rd->nsize, je32_to_cpu(rd->totlen));
625 		ref->flash_offset = ref_offset(ref) | dirent_node_state(rd);
629 	fd = jffs2_alloc_full_dirent(rd->nsize + 1);
634 	fd->version = je32_to_cpu(rd->version);
635 	fd->ino = je32_to_cpu(rd->ino);
636 	fd->type = rd->type;
642 	if(fd->version > rii->mctime_ver && je32_to_cpu(rd->mctime)) {
644 		rii->latest_mctime = je32_to_cpu(rd->mctime);
651 	if (read > sizeof(*rd))
652 		memcpy(&fd->name[0], &rd->name[0],
653 		       min_t(uint32_t, rd->nsize, (read - sizeof(*rd)) ));
656 	if (rd->nsize + sizeof(*rd) > read) {
659 		int already = read - sizeof(*rd);
662 				rd->nsize - already, &read, &fd->name[already]);
663 		if (unlikely(read != rd->nsize - already) && likely(!err)) {
666 				    rd->nsize - already, read);
681 		crc = crc32(0, fd->name, rd->nsize);
682 		if (unlikely(crc != je32_to_cpu(rd->name_crc))) {
685 			   ref_offset(ref), je32_to_cpu(rd->node_crc), crc);
693 	fd->nhash = full_name_hash(NULL, fd->name, rd->nsize);
695 	fd->name[rd->nsize] = '\0';
714 			     struct jffs2_raw_inode *rd, int rdlen,
725 	crc = crc32(0, rd, sizeof(*rd) - 8);
726 	if (unlikely(crc != je32_to_cpu(rd->node_crc))) {
728 			     ref_offset(ref), je32_to_cpu(rd->node_crc), crc);
740 	csize = je32_to_cpu(rd->csize);
746 		if (unlikely(je32_to_cpu(rd->offset) > je32_to_cpu(rd->isize)) ||
747 		    unlikely(PAD(je32_to_cpu(rd->csize) + sizeof(*rd)) != PAD(je32_to_cpu(rd->totlen)))) {
793 			buf = (unsigned char *)rd + sizeof(*rd);
795 			len = min_t(uint32_t, rdlen - sizeof(*rd), csize);
802 			if (len >= csize && unlikely(tn->partial_crc != je32_to_cpu(rd->data_crc))) {
804 					ref_offset(ref), tn->partial_crc, je32_to_cpu(rd->data_crc));
839 	tn->version = je32_to_cpu(rd->version);
840 	tn->fn->ofs = je32_to_cpu(rd->offset);
841 	tn->data_crc = je32_to_cpu(rd->data_crc);
851 	if (rd->compr == JFFS2_COMPR_ZERO && !je32_to_cpu(rd->dsize) && csize)
854 		tn->fn->size = je32_to_cpu(rd->dsize);
857 		       ref_offset(ref), je32_to_cpu(rd->version),
858 		       je32_to_cpu(rd->offset), je32_to_cpu(rd->dsize), csize);
869 	dbg_readinode2("After adding ver %d:\n", je32_to_cpu(rd->version));