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[PATCH 1/5] staging: most: remove always true comparison

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  [PATCH 1/5] staging: most: remove always true comparison Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-09-04 13:00 +0200
    [PATCH 3/5] staging: most: remove driver owner Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-09-04 13:00 +0200
    [PATCH 5/5] staging: most: style of bool comparison Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-09-04 13:00 +0200

#1218825 — [PATCH 1/5] staging: most: remove always true comparison

channel->dev has already been checked for NULL and if it was NULL then
we have returned with -EPIPE. So at this point it can not be NULL.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/staging/most/aim-cdev/cdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index b0a9a4a..1a17e2a 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -166,7 +166,7 @@ static ssize_t aim_write(struct file *filp, const char __user *buf,
 
 	mbo = most_get_mbo(channel->iface, channel->channel_id);
 
-	if (!mbo && channel->dev) {
+	if (!mbo) {
 		if ((filp->f_flags & O_NONBLOCK))
 			return -EAGAIN;
 		if (wait_event_interruptible(
-- 
1.9.1

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#1218826 — [PATCH 3/5] staging: most: remove driver owner

The platform driver core will set the owner value, we do not need to do
it in the module.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/staging/most/hdm-dim2/dim2_hdm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c
index 5b0a588..4481a0b 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hdm.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c
@@ -923,7 +923,6 @@ static struct platform_driver dim2_driver = {
 	.id_table = dim2_id,
 	.driver = {
 		.name = "hdm_dim2",
-		.owner = THIS_MODULE,
 	},
 };
 
-- 
1.9.1

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#1218828 — [PATCH 5/5] staging: most: style of bool comparison

BOOLEAN tests do not need any comparison to TRUE or FALSE.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/staging/most/hdm-usb/hdm_usb.c | 10 +++++-----
 drivers/staging/most/mostcore/core.c   |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c
index 34843b0..9bbefaa 100644
--- a/drivers/staging/most/hdm-usb/hdm_usb.c
+++ b/drivers/staging/most/hdm-usb/hdm_usb.c
@@ -308,7 +308,7 @@ static int hdm_poison_channel(struct most_interface *iface, int channel)
 
 	mutex_lock(&mdev->io_mutex);
 	free_anchored_buffers(mdev, channel);
-	if (mdev->padding_active[channel] == true)
+	if (mdev->padding_active[channel])
 		mdev->padding_active[channel] = false;
 
 	if (mdev->conf[channel].data_type == MOST_CH_ASYNC) {
@@ -411,7 +411,7 @@ static void hdm_write_completion(struct urb *urb)
 	dev = &mdev->usb_device->dev;
 
 	if ((urb->status == -ENOENT) || (urb->status == -ECONNRESET) ||
-	    (mdev->is_channel_healthy[channel] == false)) {
+	    (!mdev->is_channel_healthy[channel])) {
 		complete(&anchor->urb_compl);
 		return;
 	}
@@ -576,7 +576,7 @@ static void hdm_read_completion(struct urb *urb)
 	dev = &mdev->usb_device->dev;
 
 	if ((urb->status == -ENOENT) || (urb->status == -ECONNRESET) ||
-	    (mdev->is_channel_healthy[channel] == false)) {
+	    (!mdev->is_channel_healthy[channel])) {
 		complete(&anchor->urb_compl);
 		return;
 	}
@@ -605,7 +605,7 @@ static void hdm_read_completion(struct urb *urb)
 		}
 	} else {
 		mbo->processed_length = urb->actual_length;
-		if (mdev->padding_active[channel] == false) {
+		if (!mdev->padding_active[channel]) {
 			mbo->status = MBO_SUCCESS;
 		} else {
 			if (hdm_remove_padding(mdev, channel, mbo)) {
@@ -685,7 +685,7 @@ static int hdm_enqueue(struct most_interface *iface, int channel, struct mbo *mb
 	list_add_tail(&anchor->list, &mdev->anchor_list[channel]);
 	spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags);
 
-	if ((mdev->padding_active[channel] == true) &&
+	if ((mdev->padding_active[channel]) &&
 	    (conf->direction & MOST_CH_TX))
 		if (hdm_add_padding(mdev, channel, mbo)) {
 			retval = -EIO;
diff --git a/drivers/staging/most/mostcore/core.c b/drivers/staging/most/mostcore/core.c
index 87f950f..eb4e159 100644
--- a/drivers/staging/most/mostcore/core.c
+++ b/drivers/staging/most/mostcore/core.c
@@ -1339,7 +1339,7 @@ static void most_write_completion(struct mbo *mbo)
 	c = mbo->context;
 	if (mbo->status == MBO_E_INVAL)
 		pr_info("WARN: Tx MBO status: invalid\n");
-	if (unlikely((c->is_poisoned == true) || (mbo->status == MBO_E_CLOSE)))
+	if (unlikely(c->is_poisoned || (mbo->status == MBO_E_CLOSE)))
 		trash_mbo(mbo);
 	else
 		arm_mbo(mbo);
@@ -1444,7 +1444,7 @@ static void most_read_completion(struct mbo *mbo)
 	struct most_c_obj *c;
 
 	c = mbo->context;
-	if (unlikely((c->is_poisoned == true) || (mbo->status == MBO_E_CLOSE)))
+	if (unlikely(c->is_poisoned || (mbo->status == MBO_E_CLOSE)))
 		goto release_mbo;
 
 	if (mbo->status == MBO_E_INVAL) {
-- 
1.9.1

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