[media] RedRat3: Delete six messages for a failed memory allocation

The script "checkpatch.pl" pointed information out like the following.

WARNING: Possible unnecessary 'out of memory' message

Thus remove such a logging statement in five functions.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 67f3520..5e43766 100644 (file)
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -480,10 +480,8 @@ static u32 redrat3_get_timeout(struct redrat3_dev *rr3)
 
        len = sizeof(*tmp);
        tmp = kzalloc(len, GFP_KERNEL);
-       if (!tmp) {
-               dev_warn(rr3->dev, "Memory allocation faillure\n");
+       if (!tmp)
                return timeout;
-       }
 
        pipe = usb_rcvctrlpipe(rr3->udev, 0);
        ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM,
@@ -544,10 +542,8 @@ static void redrat3_reset(struct redrat3_dev *rr3)
        txpipe = usb_sndctrlpipe(udev, 0);
 
        val = kmalloc(len, GFP_KERNEL);
-       if (!val) {
-               dev_err(dev, "Memory allocation failure\n");
+       if (!val)
                return;
-       }
 
        *val = 0x01;
        rc = usb_control_msg(udev, rxpipe, RR3_RESET,
@@ -589,10 +585,8 @@ static void redrat3_get_firmware_rev(struct redrat3_dev *rr3)
        char *buffer;
 
        buffer = kcalloc(RR3_FW_VERSION_LEN + 1, sizeof(*buffer), GFP_KERNEL);
-       if (!buffer) {
-               dev_err(rr3->dev, "Memory allocation failure\n");
+       if (!buffer)
                return;
-       }
 
        rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0),
                             RR3_FW_VERSION,
@@ -909,10 +903,8 @@ static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)
        u16 prod = le16_to_cpu(rr3->udev->descriptor.idProduct);
 
        rc = rc_allocate_device();
-       if (!rc) {
-               dev_err(dev, "remote input dev allocation failed\n");
+       if (!rc)
                goto out;
-       }
 
        snprintf(rr3->name, sizeof(rr3->name), "RedRat3%s Infrared Remote Transceiver (%04x:%04x)",
                 prod == USB_RR3IIUSB_PRODUCT_ID ? "-II" : "",
@@ -1001,10 +993,8 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 
        /* allocate memory for our device state and initialize it */
        rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);
-       if (rr3 == NULL) {
-               dev_err(dev, "Memory allocation failure\n");
+       if (!rr3)
                goto no_endpoints;
-       }
 
        rr3->dev = &intf->dev;
 
@@ -1016,10 +1006,8 @@ static int redrat3_dev_probe(struct usb_interface *intf,
        rr3->ep_in = ep_in;
        rr3->bulk_in_buf = usb_alloc_coherent(udev,
                le16_to_cpu(ep_in->wMaxPacketSize), GFP_KERNEL, &rr3->dma_in);
-       if (!rr3->bulk_in_buf) {
-               dev_err(dev, "Read buffer allocation failure\n");
+       if (!rr3->bulk_in_buf)
                goto error;
-       }
 
        pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress);
        usb_fill_bulk_urb(rr3->read_urb, udev, pipe, rr3->bulk_in_buf,