This is a note to let you know that I've just added the patch titled iio: inkern: fix a NULL dereference on error to the 4.4-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: iio-inkern-fix-a-null-dereference-on-error.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From d81dac3c1c5295c61b15293074ac2bd3254e1875 Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Tue, 26 Jan 2016 12:25:21 +0300 Subject: iio: inkern: fix a NULL dereference on error From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> commit d81dac3c1c5295c61b15293074ac2bd3254e1875 upstream. In twl4030_bci_probe() there are some failure paths where we call iio_channel_release() with a NULL pointer. (Apparently, that driver can opperate without a valid channel pointer). Let's fix it by adding a NULL check in iio_channel_release(). Fixes: 2202e1fc5a29 ('drivers: power: twl4030_charger: fix link problems when building as module') Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/iio/inkern.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -351,6 +351,8 @@ EXPORT_SYMBOL_GPL(iio_channel_get); void iio_channel_release(struct iio_channel *channel) { + if (!channel) + return; iio_device_put(channel->indio_dev); kfree(channel); } Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are queue-4.4/intel_scu_ipcutil-underflow-in-scu_reg_access.patch queue-4.4/iio-inkern-fix-a-null-dereference-on-error.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html