staging: most: cdev: fix return values

This patch makes use of the proper return values when reporting
an error to the caller.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1592815695-19305-6-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2020-06-22 10:48:14 +02:00 committed by Greg Kroah-Hartman
parent e8e0f7fd77
commit 78aee65166

View File

@ -326,7 +326,7 @@ static int comp_disconnect_channel(struct most_interface *iface, int channel_id)
c = get_channel(iface, channel_id);
if (!c)
return -ENXIO;
return -EINVAL;
mutex_lock(&c->io_mutex);
spin_lock(&c->unlink);
@ -360,7 +360,7 @@ static int comp_rx_completion(struct mbo *mbo)
c = get_channel(mbo->ifp, mbo->hdm_channel_id);
if (!c)
return -ENXIO;
return -EINVAL;
spin_lock(&c->unlink);
if (!c->access_ref || !c->dev) {
@ -390,7 +390,7 @@ static int comp_tx_completion(struct most_interface *iface, int channel_id)
c = get_channel(iface, channel_id);
if (!c)
return -ENXIO;
return -EINVAL;
if ((channel_id < 0) || (channel_id >= iface->num_channels)) {
dev_warn(c->dev, "Channel ID out of range\n");