969 	kfree(rbio->csum_buf);  in rbio_orig_end_io()
971 	rbio->csum_buf = NULL;  in rbio_orig_end_io()
1682 	if (!rbio->csum_bitmap || !rbio->csum_buf)  in verify_bio_data_sectors()
1690 		u8 csum_buf[BTRFS_CSUM_SIZE];  in verify_bio_data_sectors()  local
1704 		expected_csum = rbio->csum_buf + total_sector_nr * fs_info->csum_size;  in verify_bio_data_sectors()
1705 		btrfs_calculate_block_csum_pages(fs_info, paddrs, csum_buf);  in verify_bio_data_sectors()
1706 		if (unlikely(memcmp(csum_buf, expected_csum, fs_info->csum_size) != 0))  in verify_bio_data_sectors()
1904 	u8 csum_buf[BTRFS_CSUM_SIZE];  in verify_one_sector()  local
1907 	if (!rbio->csum_bitmap || !rbio->csum_buf)  in verify_one_sector()
1923 	csum_expected = rbio->csum_buf +  in verify_one_sector()
1926 	btrfs_calculate_block_csum_pages(fs_info, paddrs, csum_buf);  in verify_one_sector()
1927 	if (unlikely(memcmp(csum_buf, csum_expected, fs_info->csum_size) != 0))  in verify_one_sector()
2302 	ASSERT(!rbio->csum_buf && !rbio->csum_bitmap);  in fill_data_csums()
2319 	rbio->csum_buf = kzalloc(rbio->nr_data * rbio->stripe_nsectors *  in fill_data_csums()
2323 	if (!rbio->csum_buf || !rbio->csum_bitmap) {  in fill_data_csums()
2338 					rbio->csum_buf, rbio->csum_bitmap);  in fill_data_csums()
2355 	kfree(rbio->csum_buf);  in fill_data_csums()
2357 	rbio->csum_buf = NULL;  in fill_data_csums()