linux-hardening - [PATCH][next] ath11k: Use kcalloc() instead of kzalloc()

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Message-ID: <20211006181204.GA913553@embeddedor>
Date:   Wed, 6 Oct 2021 13:12:04 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     ath11k@...ts.infradead.org, linux-wireless@...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] ath11k: 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/wireless/ath/ath11k/wmi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 6c253eae9d06..0bbda81117df 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -4046,8 +4046,8 @@ static int ath11k_wmi_tlv_mac_phy_caps_parse(struct ath11k_base *soc,
 
 	len = min_t(u16, len, sizeof(struct wmi_mac_phy_capabilities));
 	if (!svc_rdy_ext->n_mac_phy_caps) {
-		svc_rdy_ext->mac_phy_caps = kzalloc((svc_rdy_ext->tot_phy_id) * len,
-						    GFP_ATOMIC);
+		svc_rdy_ext->mac_phy_caps = kcalloc(svc_rdy_ext->tot_phy_id,
+						    len, GFP_ATOMIC);
 		if (!svc_rdy_ext->mac_phy_caps)
 			return -ENOMEM;
 	}
@@ -4447,8 +4447,8 @@ static struct cur_reg_rule
 	struct cur_reg_rule *reg_rule_ptr;
 	u32 count;
 
-	reg_rule_ptr =  kzalloc((num_reg_rules * sizeof(*reg_rule_ptr)),
-				GFP_ATOMIC);
+	reg_rule_ptr = kcalloc(num_reg_rules, sizeof(*reg_rule_ptr),
+			       GFP_ATOMIC);
 
 	if (!reg_rule_ptr)
 		return NULL;
-- 
2.27.0