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Sun, 16 Aug 2026 09:17:59 -0700 (PDT) Received: from codespaces-a1fa80.m2fxbej512jepnsor2itp05j3d.ix.internal.cloudapp.net ([23.97.62.128]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-45e8f8edaf8sm7825538fac.1.2026.08.16.09.17.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Aug 2026 09:17:59 -0700 (PDT) From: Triet Hoang To: bence98@sch.bme.hu Cc: andi.shyti@kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Triet Hoang Subject: [PATCH] i2c: cp2615: handle allocation failure Date: Sun, 16 Aug 2026 16:17:51 +0000 Message-ID: <20260816161751.24840-1-triet.hoang.dev@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Check the result of kzalloc_obj() before dereferencing the allocated message structure. Signed-off-by: Triet Hoang --- drivers/i2c/busses/i2c-cp2615.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/i2c/busses/i2c-cp2615.c b/drivers/i2c/busses/i2c-cp2615.c index 951de6249..178a35d0b 100644 --- a/drivers/i2c/busses/i2c-cp2615.c +++ b/drivers/i2c/busses/i2c-cp2615.c @@ -125,6 +125,9 @@ static int cp2615_i2c_send(struct usb_interface *usbif, struct cp2615_i2c_transfer *i2c_w) { struct cp2615_iop_msg *msg = kzalloc_obj(*msg); + if (!msg) + return -ENOMEM; + struct usb_device *usbdev = interface_to_usbdev(usbif); int res = cp2615_init_i2c_msg(msg, i2c_w); @@ -172,6 +175,9 @@ cp2615_i2c_recv(struct usb_interface *usbif, unsigned char tag, void *buf) static int cp2615_check_iop(struct usb_interface *usbif) { struct cp2615_iop_msg *msg = kzalloc_obj(*msg); + if (!msg) + return -ENOMEM; + struct cp2615_iop_accessory_info *info = (struct cp2615_iop_accessory_info *)&msg->data; struct usb_device *usbdev = interface_to_usbdev(usbif); int res = cp2615_init_iop_msg(msg, iop_GetAccessoryInfo, NULL, 0); -- 2.53.0