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From: Pavel Machek <pavel@denx.de>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Jeff Johnson <quic_jjohnson@quicinc.com>,
	Kalle Valo <quic_kvalo@quicinc.com>,
	kvalo@kernel.org, jjohnson@kernel.org,
	linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH AUTOSEL 6.1 21/61] wifi: ath11k: initialize 'ret' in ath11k_qmi_load_file_target_mem()
Date: Tue, 27 Aug 2024 14:27:35 +0200	[thread overview]
Message-ID: <Zs3GN2FH4uzzMEFY@duo.ucw.cz> (raw)
In-Reply-To: <20240801002803.3935985-21-sashal@kernel.org>

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Hi!

> [ Upstream commit 199f149e97dc7be80e5eed4b232529c1d1aa8055 ]
> 
> smatch flagged the following issue:
> 
> drivers/net/wireless/ath/ath11k/qmi.c:2401 ath11k_qmi_load_file_target_mem() error: uninitialized symbol 'ret'.
> 
> The reality is that 'ret' is initialized in every path through
> ath11k_qmi_load_file_target_mem() except one, the case where the input
> 'len' is 0, and hence the "while (remaining)" loop is never entered.
> But to make sure this case is also handled, add an initializer to the
> declaration of 'ret'.
> 
> No functional changes, compile tested only.

Just a cleanup. Does not match -stable rules.

Best regards,
							Pavel
							
> +++ b/drivers/net/wireless/ath/ath11k/qmi.c
> @@ -2293,7 +2293,7 @@ static int ath11k_qmi_load_file_target_mem(struct ath11k_base *ab,
>  	struct qmi_txn txn;
>  	const u8 *temp = data;
>  	void __iomem *bdf_addr = NULL;
> -	int ret;
> +	int ret = 0;
>  	u32 remaining = len;
>  
>  	req = kzalloc(sizeof(*req), GFP_KERNEL);

-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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  reply	other threads:[~2024-08-27 12:27 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-01  0:25 [PATCH AUTOSEL 6.1 01/61] drm/amd/display: Assign linear_pitch_alignment even for VM Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 02/61] drm/amdgpu: fix overflowed array index read warning Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 03/61] drm/amdgpu/pm: Check the return value of smum_send_msg_to_smc Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 04/61] drm/amd/pm: fix warning using uninitialized value of max_vid_step Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 05/61] drm/amd/pm: Fix negative array index read Sasha Levin
2024-08-27 12:29   ` Pavel Machek
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 06/61] drm/amd/pm: fix the Out-of-bounds read warning Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 07/61] drm/amd/display: Check gpio_id before used as array index Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 08/61] drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6 Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 09/61] drm/amd/display: Add array index check for hdcp ddc access Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 10/61] drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[] Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 11/61] drm/amd/display: Check msg_id before processing transcation Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 12/61] drm/amd/display: Fix Coverity INTEGER_OVERFLOW within dal_gpio_service_create Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 13/61] drm/amd/display: Spinlock before reading event Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 14/61] drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 15/61] drm/amd/amdgpu: Check tbo resource pointer Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 16/61] drm/amdgpu: Fix out-of-bounds write warning Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 17/61] drm/amdgpu: Fix out-of-bounds read of df_v1_7_channel_number Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 18/61] drm/amdgpu: fix ucode out-of-bounds read warning Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 19/61] drm/amdgpu: fix mc_data " Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 20/61] drm/amdkfd: Reconcile the definition and use of oem_id in struct kfd_topology_device Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 21/61] wifi: ath11k: initialize 'ret' in ath11k_qmi_load_file_target_mem() Sasha Levin
2024-08-27 12:27   ` Pavel Machek [this message]
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 22/61] drm/amdgpu/pm: Check input value for CUSTOM profile mode setting on legacy SOCs Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 23/61] drm/amdgpu: fix dereference after null check Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 24/61] drm/amdgpu: fix the waring dereferencing hive Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 25/61] drm/amdgpu: the warning dereferencing obj for nbio_v7_4 Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 26/61] drm/amdgpu: update type of buf size to u32 for eeprom functions Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 27/61] wifi: iwlwifi: fw: avoid bad FW config on RXQ DMA failure Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 28/61] cpufreq: scmi: Avoid overflow of target_freq in fast switch Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 29/61] bpf, net: Use DEV_STAT_INC() Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 30/61] PCI: al: Check IORESOURCE_BUS existence during probe Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 31/61] hwspinlock: Introduce hwspin_lock_bust() Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 32/61] gpiolib: cdev: Add INIT_KFIFO() for linereq events Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 33/61] pwm: xilinx: Fix u32 overflow issue in 32-bit width PWM mode Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 34/61] smack: tcp: ipv4, fix incorrect labeling Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 35/61] drm/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 36/61] hwmon: (k10temp) Check return value of amd_smn_read() Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 37/61] wifi: cfg80211: make hash table duplicates more survivable Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 38/61] driver: iio: add missing checks on iio_info's callback access Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 39/61] drm/amd/display: added NULL check at start of dc_validate_stream Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 40/61] drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX Sasha Levin
2024-08-01  0:25 ` [PATCH AUTOSEL 6.1 41/61] drm/amd/display: Skip wbscl_set_scaler_filter if filter is null Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 42/61] ALSA: vmaster: Return error for invalid input values Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 43/61] ALSA: control: Apply sanity check of input values for user elements Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 44/61] ELF: fix kernel.randomize_va_space double read Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 45/61] x86/kmsan: Fix hook for unaligned accesses Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 46/61] udf: Avoid excessive partition lengths Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 47/61] riscv: mm: Take memory hotplug read-lock during kernel page table dump Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 48/61] usb: uas: set host status byte on data completion error Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 49/61] drm/amd/display: Check HDCP returned status Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 50/61] drm/amd/display: Check denominator pbn_div before used Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 51/61] phy: zynqmp: Take the phy mutex in xlate Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 52/61] cgroup: Protect css->cgroup write under css_set_lock Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 53/61] um: line: always fill *error_out in setup_one_line() Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 54/61] devres: Initialize an uninitialized struct member Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 55/61] pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 56/61] hwmon: (lm95234) Fix underflows seen when writing limit attributes Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 57/61] hwmon: (nct6775-core) " Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 58/61] hwmon: (w83627ehf) " Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 59/61] libbpf: Add NULL checks to bpf_object__{prev_map,next_map} Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 60/61] wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id() Sasha Levin
2024-08-01  0:26 ` [PATCH AUTOSEL 6.1 61/61] i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup Sasha Levin

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