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>

diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index 2bc877c5c84d8d60e78c745d42831366b4e8b5d1..b0a9a4a1225cbab24a77263ec135bea84c53c3a0 100644 (file)
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -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;