The value of iod->first_dma ends up as prp2 in NVMe commands. In case
there is not enough data to cross a page boundary, iod->first_dma is
never initialized and contains random data.
Comply with the NVMe specification and fill in 0 in that case.
Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
int nprps, i;
length -= (page_size - offset);
- if (length <= 0)
+ if (length <= 0) {
+ iod->first_dma = 0;
return BLK_STS_OK;
+ }
dma_len -= (page_size - offset);
if (dma_len) {