linux-hardening - [PATCH][next] net: mana: Use kcalloc() instead of kzalloc()

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Date:   Wed, 6 Oct 2021 13:09:27 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH][next] net: mana: Use kcalloc() instead of kzalloc()

Use 2-factor multiplication argument form kcalloc() instead
of kzalloc().

Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/net/ethernet/microsoft/mana/hw_channel.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c
index d5c485a6d284..7c7a5fb91f79 100644
--- a/drivers/net/ethernet/microsoft/mana/hw_channel.c
+++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c
@@ -363,7 +363,7 @@ static int mana_hwc_create_cq(struct hw_channel_context *hwc, u16 q_depth,
 	}
 	hwc_cq->gdma_cq = cq;
 
-	comp_buf = kcalloc(q_depth, sizeof(struct gdma_comp), GFP_KERNEL);
+	comp_buf = kcalloc(q_depth, sizeof(*comp_buf), GFP_KERNEL);
 	if (!comp_buf) {
 		err = -ENOMEM;
 		goto out;
@@ -580,7 +580,7 @@ static int mana_hwc_test_channel(struct hw_channel_context *hwc, u16 q_depth,
 			return err;
 	}
 
-	ctx = kzalloc(q_depth * sizeof(struct hwc_caller_ctx), GFP_KERNEL);
+	ctx = kcalloc(q_depth, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;
 
-- 
2.27.0