From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 384CD1DDCE; Tue, 16 Jul 2024 16:06:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721145965; cv=none; b=ZUF/XIq+6quKMpbhQsXyHcqe2d90TsSn6nLkjnLBM/9FulF/FaoKGMiqIbM4Y3JDDw4Kj6aM4hBOR+BlLkHXdL7DBDdumwBKlDin5cL9O/G+SvXwvlKlAzHaJ/kbk1elZLrKrAKvimT+NH2hFIc8b8Nju0Lolg6rmIafMzSLlVg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721145965; c=relaxed/simple; bh=qoJ0rG1othCcS5ttfHp8AnKPk/G1+pVdoUgiuexWhkk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UoMOqxKv9I0TOB/PWn0LW6ErqD9l8REDsfTl5e0C4tyri+axfqZpeIkZNI5NQiqir9h9NfqX7D4MugkRK4PeqEtyFTY04KNhZlOn+59/cniFf95gNECbw4i2BzBtmh8A90Qcs9WGhPwj+IrmJnXRzLehMo+EslrrWCgKyHMgFcs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=u6vulPb9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="u6vulPb9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4A86C116B1; Tue, 16 Jul 2024 16:06:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1721145965; bh=qoJ0rG1othCcS5ttfHp8AnKPk/G1+pVdoUgiuexWhkk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u6vulPb9eaid689enwIY2LGVxeTeSPpb+I5qFiI06TDNmDgKfQlDIvTHVstsjSfa7 73tjOSzkLSVnu+upap/dehgbUV7Uy92tnVbYawg9+9Oayoe4LjLOEfgiNHU9tJcpgE NV3yH99J+lYICfv/bLOaj+GFeNE63klnFATPMaMA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Felix Fietkau , Sasha Levin Subject: [PATCH 5.15 016/144] wifi: mt76: replace skb_put with skb_put_zero Date: Tue, 16 Jul 2024 17:31:25 +0200 Message-ID: <20240716152753.158401239@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240716152752.524497140@linuxfoundation.org> References: <20240716152752.524497140@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau [ Upstream commit 7f819a2f4fbc510e088b49c79addcf1734503578 ] Avoid potentially reusing uninitialized data Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 10 +++++----- drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 98f651fec3bf3..a5dda20f39f3a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -234,7 +234,7 @@ mt76_connac_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len, }; u16 ntlv; - ptlv = skb_put(skb, len); + ptlv = skb_put_zero(skb, len); memcpy(ptlv, &tlv, sizeof(tlv)); ntlv = le16_to_cpu(ntlv_hdr->tlv_num); @@ -1417,7 +1417,7 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, set_bit(MT76_HW_SCANNING, &phy->state); mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f; - req = (struct mt76_connac_hw_scan_req *)skb_put(skb, sizeof(*req)); + req = (struct mt76_connac_hw_scan_req *)skb_put_zero(skb, sizeof(*req)); req->seq_num = mvif->scan_seq_num | ext_phy << 7; req->bss_idx = mvif->idx; @@ -1535,7 +1535,7 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy, mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f; - req = (struct mt76_connac_sched_scan_req *)skb_put(skb, sizeof(*req)); + req = (struct mt76_connac_sched_scan_req *)skb_put_zero(skb, sizeof(*req)); req->version = 1; req->seq_num = mvif->scan_seq_num | ext_phy << 7; @@ -1985,7 +1985,7 @@ int mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw *hw, return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); - gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put(skb, + gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put_zero(skb, sizeof(*gtk_tlv)); gtk_tlv->tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY); gtk_tlv->len = cpu_to_le16(sizeof(*gtk_tlv)); @@ -2107,7 +2107,7 @@ mt76_connac_mcu_set_wow_pattern(struct mt76_dev *dev, return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); - ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put(skb, sizeof(*ptlv)); + ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put_zero(skb, sizeof(*ptlv)); ptlv->tag = cpu_to_le16(UNI_SUSPEND_WOW_PATTERN); ptlv->len = cpu_to_le16(sizeof(*ptlv)); ptlv->data_len = pattern->pattern_len; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 1c900454cf58c..169055261e9b9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -804,7 +804,7 @@ mt7915_mcu_add_nested_subtlv(struct sk_buff *skb, int sub_tag, int sub_len, .len = cpu_to_le16(sub_len), }; - ptlv = skb_put(skb, sub_len); + ptlv = skb_put_zero(skb, sub_len); memcpy(ptlv, &tlv, sizeof(tlv)); le16_add_cpu(sub_ntlv, 1); -- 2.43.0