We cannot rely on the entry memcpy as we only copy the actual size of
the command, the rest of the bytes must be memset to zero.
Fixes: 0420e542569b ("RDMA/efa: Implement functions that submit and complete admin commands")
Reviewed-by: Daniel Kranzdorf <dkkranzd@xxxxxxxxxx>
Reviewed-by: Firas JahJah <firasj@xxxxxxxxxx>
Signed-off-by: Gal Pressman <galpress@xxxxxxxxxx>
---
drivers/infiniband/hw/efa/efa_com.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/efa/efa_com.c b/drivers/infiniband/hw/efa/efa_com.c
index 3c412bc5b94f..0778f4f7dccd 100644
--- a/drivers/infiniband/hw/efa/efa_com.c
+++ b/drivers/infiniband/hw/efa/efa_com.c
@@ -317,6 +317,7 @@ static struct efa_comp_ctx *__efa_com_submit_admin_cmd(struct efa_com_admin_queu
struct efa_admin_acq_entry *comp,
size_t comp_size_in_bytes)
{
+ struct efa_admin_aq_entry *aqe;
struct efa_comp_ctx *comp_ctx;
u16 queue_size_mask;
u16 cmd_id;
@@ -350,7 +351,9 @@ static struct efa_comp_ctx *__efa_com_submit_admin_cmd(struct efa_com_admin_queu
reinit_completion(&comp_ctx->wait_event);
- memcpy(&aq->sq.entries[pi], cmd, cmd_size_in_bytes);
+ aqe = &aq->sq.entries[pi];
+ memset(aqe, 0, sizeof(*aqe));
+ memcpy(aqe, cmd, cmd_size_in_bytes);
aq->sq.pc++;
atomic64_inc(&aq->stats.submitted_cmd);
--
2.23.0
