From: <gregkh@linuxfoundation.org>
To: lcaumont2@gmail.com, gregkh@linuxfoundation.org,
mchehab@s-opensource.com, sean@mess.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "media: dvb: i2c transfers over usb cannot be done from stack" has been added to the 3.18-stable tree
Date: Mon, 11 Dec 2017 23:17:15 +0100 [thread overview]
Message-ID: <1513030635118181@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
media: dvb: i2c transfers over usb cannot be done from stack
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-dvb-i2c-transfers-over-usb-cannot-be-done-from-stack.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 6d33377f2abbf9f0e561b116dd468d1c3ff36a6a Mon Sep 17 00:00:00 2001
From: Laurent Caumont <lcaumont2@gmail.com>
Date: Sat, 11 Nov 2017 12:44:46 -0500
Subject: media: dvb: i2c transfers over usb cannot be done from stack
From: Laurent Caumont <lcaumont2@gmail.com>
commit 6d33377f2abbf9f0e561b116dd468d1c3ff36a6a upstream.
Signed-off-by: Laurent Caumont <lcaumont2@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/media/usb/dvb-usb/dibusb-common.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
--- a/drivers/media/usb/dvb-usb/dibusb-common.c
+++ b/drivers/media/usb/dvb-usb/dibusb-common.c
@@ -179,8 +179,20 @@ EXPORT_SYMBOL(dibusb_i2c_algo);
int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
{
- u8 wbuf[1] = { offs };
- return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
+ u8 *buf;
+ int rc;
+
+ buf = kmalloc(2, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ buf[0] = offs;
+
+ rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1);
+ *val = buf[1];
+ kfree(buf);
+
+ return rc;
}
EXPORT_SYMBOL(dibusb_read_eeprom_byte);
Patches currently in stable-queue which might be from lcaumont2@gmail.com are
queue-3.18/media-dvb-i2c-transfers-over-usb-cannot-be-done-from-stack.patch
reply other threads:[~2017-12-11 22:17 UTC|newest]
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