From: Markus Elfring <elfr...@users.sourceforge.net> Date: Thu, 13 Oct 2016 13:20:19 +0200
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. Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net> --- drivers/media/rc/redrat3.c | 24 ++++++------------------ 1 file changed, 6 insertions(+), 18 deletions(-) diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c index 71e901d..2e31c18 100644 --- a/drivers/media/rc/redrat3.c +++ b/drivers/media/rc/redrat3.c @@ -453,10 +453,8 @@ 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, @@ -518,10 +516,8 @@ 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, @@ -550,10 +546,8 @@ 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, @@ -866,10 +860,8 @@ 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)", @@ -959,10 +951,8 @@ 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; @@ -974,10 +964,8 @@ 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, -- 2.10.1
