Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6d33377f authored by Laurent Caumont's avatar Laurent Caumont Committed by Mauro Carvalho Chehab
Browse files

media: dvb: i2c transfers over usb cannot be done from stack 



Cc: stable@vger.kernel.org
Signed-off-by: default avatarLaurent Caumont <lcaumont2@gmail.com>
Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent be9b53c8

drivers/media/usb/dvb-usb/dibusb-common.c

+14 −2
Original line number Diff line number Diff line
@@ -223,8 +223,20 @@ 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);