From: Triet Hoang <triet.hoang.dev@gmail.com>
To: bence98@sch.bme.hu
Cc: andi.shyti@kernel.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org,
Triet Hoang <triet.hoang.dev@gmail.com>
Subject: [PATCH] i2c: cp2615: handle allocation failure
Date: Sun, 16 Aug 2026 16:17:51 +0000 [thread overview]
Message-ID: <20260816161751.24840-1-triet.hoang.dev@gmail.com> (raw)
Check the result of kzalloc_obj() before dereferencing the allocated
message structure.
Signed-off-by: Triet Hoang <triet.hoang.dev@gmail.com>
---
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
reply other threads:[~2026-08-16 16:18 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260816161751.24840-1-triet.hoang.dev@gmail.com \
--to=triet.hoang.dev@gmail.com \
--cc=andi.shyti@kernel.org \
--cc=bence98@sch.bme.hu \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox