staging: most: NULL comparison style

checkpatch complains when a variable comparison to NULL is written as:
variable == NULL or variable != NULL.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee 2015-08-24 19:19:32 +05:30 committed by Greg Kroah-Hartman
parent a9c2520818
commit 858e1a27c1

View File

@ -173,7 +173,7 @@ static ssize_t aim_write(struct file *filp, const char __user *buf,
channel->wq, channel->wq,
(mbo = most_get_mbo(channel->iface, (mbo = most_get_mbo(channel->iface,
channel->channel_id)) || channel->channel_id)) ||
(channel->dev == NULL))) (!channel->dev)))
return -ERESTARTSYS; return -ERESTARTSYS;
} }
@ -229,12 +229,12 @@ aim_read(struct file *filp, char __user *buf, size_t count, loff_t *offset)
goto start_copy; goto start_copy;
} }
while ((0 == kfifo_out(&channel->fifo, &mbo, 1)) while ((0 == kfifo_out(&channel->fifo, &mbo, 1))
&& (channel->dev != NULL)) { && (channel->dev)) {
if (filp->f_flags & O_NONBLOCK) if (filp->f_flags & O_NONBLOCK)
return -EAGAIN; return -EAGAIN;
if (wait_event_interruptible(channel->wq, if (wait_event_interruptible(channel->wq,
(!kfifo_is_empty(&channel->fifo) || (!kfifo_is_empty(&channel->fifo) ||
(channel->dev == NULL)))) (!channel->dev))))
return -ERESTARTSYS; return -ERESTARTSYS;
} }
@ -299,7 +299,7 @@ static int aim_disconnect_channel(struct most_interface *iface, int channel_id)
} }
channel = get_channel(iface, channel_id); channel = get_channel(iface, channel_id);
if (channel == NULL) if (!channel)
return -ENXIO; return -ENXIO;
mutex_lock(&channel->io_mutex); mutex_lock(&channel->io_mutex);
@ -336,7 +336,7 @@ static int aim_rx_completion(struct mbo *mbo)
return -EINVAL; return -EINVAL;
channel = get_channel(mbo->ifp, mbo->hdm_channel_id); channel = get_channel(mbo->ifp, mbo->hdm_channel_id);
if (channel == NULL) if (!channel)
return -ENXIO; return -ENXIO;
kfifo_in(&channel->fifo, &mbo, 1); kfifo_in(&channel->fifo, &mbo, 1);
@ -369,7 +369,7 @@ static int aim_tx_completion(struct most_interface *iface, int channel_id)
} }
channel = get_channel(iface, channel_id); channel = get_channel(iface, channel_id);
if (channel == NULL) if (!channel)
return -ENXIO; return -ENXIO;
wake_up_interruptible(&channel->wq); wake_up_interruptible(&channel->wq);
return 0; return 0;