The alloc ucontext flow is always called with a valid udata, there's no need to test whether it's NULL. While at it, the 'udata->outlen' check is removed as well as we copy the minimum between the size of the response and outlen, so in case of zero outlen, zero bytes will be copied. Reviewed-by: Firas JahJah <firasj@xxxxxxxxxx> Reviewed-by: Yossi Leybovich <sleybo@xxxxxxxxxx> Signed-off-by: Gal Pressman <galpress@xxxxxxxxxx> --- drivers/infiniband/hw/efa/efa_verbs.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index fda175836fb6..b53acd238d36 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1568,12 +1568,10 @@ int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata) resp.max_tx_batch = dev->dev_attr.max_tx_batch; resp.min_sq_wr = dev->dev_attr.min_sq_depth; - if (udata && udata->outlen) { - err = ib_copy_to_udata(udata, &resp, - min(sizeof(resp), udata->outlen)); - if (err) - goto err_dealloc_uar; - } + err = ib_copy_to_udata(udata, &resp, + min(sizeof(resp), udata->outlen)); + if (err) + goto err_dealloc_uar; return 0; -- 2.28.0