On 10/13/21 9:59 AM, Logan Gunthorpe wrote:
ib_dma_map_sgtable_attrs() should be mapping the sgls and setting nents but the ib_uses_virt_dma() path falls back to ib_dma_virt_map_sg() which will not set the nents in the sgtable. Check the return value (per the map_sg calling convention) and set sgt->nents appropriately on success. Link: https://lore.kernel.org/all/996fa723-18ef-d35b-c565-c9cb9dc2d5e1@xxxxxxx/T/#u Reported-by: Bart Van Assche <bvanassche@xxxxxxx> Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> Tested-by: Bart Van Assche <bvanassche@xxxxxxx>
Does this patch need a "Fixes:" tag? Thanks, Bart.
