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Subject[PATCH 4/8] drivers: net: usb: Remove unnecessary alloc/OOM messages
Date
alloc failures already get standardized OOM
messages and a dump_stack.

Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/net/usb/ax88172a.c | 6 ++----
drivers/net/usb/hso.c | 25 +++++++------------------
drivers/net/usb/sierra_net.c | 10 +++-------
drivers/net/usb/smsc75xx.c | 6 ++----
drivers/net/usb/smsc95xx.c | 6 ++----
drivers/net/usb/usbnet.c | 5 +----
6 files changed, 17 insertions(+), 41 deletions(-)

diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c
index 76ee541..d012203 100644
--- a/drivers/net/usb/ax88172a.c
+++ b/drivers/net/usb/ax88172a.c
@@ -117,7 +117,6 @@ static int ax88172a_init_mdio(struct usbnet *dev)

priv->mdio->irq = kzalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
if (!priv->mdio->irq) {
- netdev_err(dev->net, "Could not allocate mdio->irq\n");
ret = -ENOMEM;
goto mfree;
}
@@ -236,10 +235,9 @@ static int ax88172a_bind(struct usbnet *dev, struct usb_interface *intf)
usbnet_get_endpoints(dev, intf);

priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv) {
- netdev_err(dev->net, "Could not allocate memory for private data\n");
+ if (!priv)
return -ENOMEM;
- }
+
dev->driver_priv = priv;

/* Get the MAC address */
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index f902a14..e2dd324 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2315,10 +2315,8 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
serial->rx_urb[i]->transfer_buffer_length = 0;
serial->rx_data[i] = kzalloc(serial->rx_data_length,
GFP_KERNEL);
- if (!serial->rx_data[i]) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!serial->rx_data[i])
goto exit;
- }
}

/* TX, allocate urb and initialize */
@@ -2334,15 +2332,12 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
serial->tx_buffer_count = 0;
serial->tx_data_length = tx_size;
serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL);
- if (!serial->tx_data) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!serial->tx_data)
goto exit;
- }
+
serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL);
- if (!serial->tx_buffer) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!serial->tx_buffer)
goto exit;
- }

return 0;
exit:
@@ -2578,10 +2573,8 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
}
hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE,
GFP_KERNEL);
- if (!hso_net->mux_bulk_rx_buf_pool[i]) {
- dev_err(&interface->dev, "Could not allocate rx buf\n");
+ if (!hso_net->mux_bulk_rx_buf_pool[i])
goto exit;
- }
}
hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!hso_net->mux_bulk_tx_urb) {
@@ -2589,10 +2582,8 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
goto exit;
}
hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL);
- if (!hso_net->mux_bulk_tx_buf) {
- dev_err(&interface->dev, "Could not allocate tx buf\n");
+ if (!hso_net->mux_bulk_tx_buf)
goto exit;
- }

add_net_device(hso_dev);

@@ -2816,10 +2807,8 @@ struct hso_shared_int *hso_create_shared_int(struct usb_interface *interface)
mux->shared_intr_buf =
kzalloc(le16_to_cpu(mux->intr_endp->wMaxPacketSize),
GFP_KERNEL);
- if (!mux->shared_intr_buf) {
- dev_err(&interface->dev, "Could not allocate intr buf?\n");
+ if (!mux->shared_intr_buf)
goto exit;
- }

mutex_init(&mux->shared_int_lock);

diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index 453aa6c..79ab243 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -459,11 +459,9 @@ static void sierra_net_kevent(struct work_struct *work)

/* Query the modem for the LSI message */
buf = kzalloc(SIERRA_NET_USBCTL_BUF_LEN, GFP_KERNEL);
- if (!buf) {
- netdev_err(dev->net,
- "failed to allocate buf for LS msg\n");
+ if (!buf)
return;
- }
+
ifnum = priv->ifnum;
len = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
USB_CDC_GET_ENCAPSULATED_RESPONSE,
@@ -686,10 +684,8 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
}
/* Initialize sierra private data */
priv = kzalloc(sizeof *priv, GFP_KERNEL);
- if (!priv) {
- dev_err(&dev->udev->dev, "No memory");
+ if (!priv)
return -ENOMEM;
- }

priv->usbnet = dev;
priv->ifnum = ifacenum;
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 251a335..9abe517 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -1393,13 +1393,11 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
}

dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc75xx_priv),
- GFP_KERNEL);
+ GFP_KERNEL);

pdata = (struct smsc75xx_priv *)(dev->data[0]);
- if (!pdata) {
- netdev_warn(dev->net, "Unable to allocate smsc75xx_priv\n");
+ if (!pdata)
return -ENOMEM;
- }

pdata->dev = dev;

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 6a74a68..ff4fa37 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1116,13 +1116,11 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
}

dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc95xx_priv),
- GFP_KERNEL);
+ GFP_KERNEL);

pdata = (struct smsc95xx_priv *)(dev->data[0]);
- if (!pdata) {
- netdev_warn(dev->net, "Unable to allocate struct smsc95xx_priv\n");
+ if (!pdata)
return -ENOMEM;
- }

spin_lock_init(&pdata->mac_cr_lock);

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 9778377..c879442 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1815,11 +1815,8 @@ int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype,
}

req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
- if (!req) {
- netdev_err(dev->net, "Failed to allocate memory for %s\n",
- __func__);
+ if (!req)
goto fail_free_buf;
- }

req->bRequestType = reqtype;
req->bRequest = cmd;
--
1.8.0.dirty


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