CC'ing stable@xxxxxxxxxx, this bugfix applies to all kernels >> 2.6.28.
The patch should also be tagged accordingly.
On Sat, Jun 23, 2012 at 05:29:54PM +0530, santosh nayak wrote:
> From: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
>
> There is a missing "up_write()" here. Semaphore should be released
> before returning error value.
>
> Signed-off-by: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
> ---
> Destination tree "linux-next"
>
> drivers/media/dvb/dvb-core/dvbdev.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
> index 00a6732..39eab73 100644
> --- a/drivers/media/dvb/dvb-core/dvbdev.c
> +++ b/drivers/media/dvb/dvb-core/dvbdev.c
> @@ -243,6 +243,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
> if (minor == MAX_DVB_MINORS) {
> kfree(dvbdevfops);
> kfree(dvbdev);
> + up_write(&minor_rwsem);
> mutex_unlock(&dvbdev_register_lock);
> return -EINVAL;
> }
> --
> 1.7.4.4
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