From: Shai Malin smalin@marvell.com
[ Upstream commit e543468869e2532f5d7926e8f417782b48eca3dc ]
Thanks to Kees Cook who detected the problem of memset that starting from not the first member, but sized for the whole struct. The better change will be to remove the redundant memset and to clear only the msix_cnt member.
Signed-off-by: Prabhakar Kushwaha pkushwaha@marvell.com Signed-off-by: Ariel Elior aelior@marvell.com Signed-off-by: Shai Malin smalin@marvell.com Reported-by: Kees Cook keescook@chromium.org Reviewed-by: Kees Cook keescook@chromium.org Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/qlogic/qede/qede_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 1aabb2e7a38b..756c5943f5e0 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1676,6 +1676,7 @@ static void qede_sync_free_irqs(struct qede_dev *edev) }
edev->int_info.used_cnt = 0; + edev->int_info.msix_cnt = 0; }
static int qede_req_msix_irqs(struct qede_dev *edev) @@ -2193,7 +2194,6 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, goto out; err4: qede_sync_free_irqs(edev); - memset(&edev->int_info.msix_cnt, 0, sizeof(struct qed_int_info)); err3: qede_napi_disable_remove(edev); err2: