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staging: most: NULL comparison style

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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
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/most/aim-cdev/cdev.c
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@ -173,7 +173,7 @@ static ssize_t aim_write(struct file *filp, const char __user *buf,
channel->wq,
(mbo = most_get_mbo(channel->iface,
channel->channel_id)) ||
(channel->dev == NULL)))
(!channel->dev)))
return -ERESTARTSYS;
}
@ -229,12 +229,12 @@ aim_read(struct file *filp, char __user *buf, size_t count, loff_t *offset)
goto start_copy;
}
while ((0 == kfifo_out(&channel->fifo, &mbo, 1))
&& (channel->dev != NULL)) {
&& (channel->dev)) {
if (filp->f_flags & O_NONBLOCK)
return -EAGAIN;
if (wait_event_interruptible(channel->wq,
(!kfifo_is_empty(&channel->fifo) ||
(channel->dev == NULL))))
(!channel->dev))))
return -ERESTARTSYS;
}
@ -299,7 +299,7 @@ static int aim_disconnect_channel(struct most_interface *iface, int channel_id)
}
channel = get_channel(iface, channel_id);
if (channel == NULL)
if (!channel)
return -ENXIO;
mutex_lock(&channel->io_mutex);
@ -336,7 +336,7 @@ static int aim_rx_completion(struct mbo *mbo)
return -EINVAL;
channel = get_channel(mbo->ifp, mbo->hdm_channel_id);
if (channel == NULL)
if (!channel)
return -ENXIO;
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);
if (channel == NULL)
if (!channel)
return -ENXIO;
wake_up_interruptible(&channel->wq);
return 0;