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authorShai Malin <smalin@marvell.com>2021-08-24 19:52:49 +0300
committerDavid S. Miller <davem@davemloft.net>2021-08-25 11:07:55 +0100
commite543468869e2532f5d7926e8f417782b48eca3dc (patch)
tree6db95079aaf1583b7c72a3095e312473eecd5ea5 /drivers/net/ethernet/qlogic/qede
parent2b9fff64f03219d78044d1ab40dde8e3d42e968a (diff)
downloadlinux-e543468869e2532f5d7926e8f417782b48eca3dc.tar.bz2
qede: Fix memset corruption
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>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 7c6064baeba2..1c7f9ed6f1c1 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -1874,6 +1874,7 @@ 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)
@@ -2427,7 +2428,6 @@ 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: