[media] media: em28xx: Paranoic stack save
This patch saves 255 bytes of stack on usb_probe() by removing
a char array. In some platforms this is represents a substantial save.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index ce1b60f..d328616 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -3122,7 +3122,6 @@
int i, nr;
const int ifnum = interface->altsetting[0].desc.bInterfaceNumber;
char *speed;
- char descr[255] = "";
udev = usb_get_dev(interface_to_usbdev(interface));
@@ -3227,21 +3226,11 @@
speed = "unknown";
}
- if (udev->manufacturer)
- strlcpy(descr, udev->manufacturer, sizeof(descr));
-
- if (udev->product) {
- if (*descr)
- strlcat(descr, " ", sizeof(descr));
- strlcat(descr, udev->product, sizeof(descr));
- }
-
- if (*descr)
- strlcat(descr, " ", sizeof(descr));
-
printk(KERN_INFO DRIVER_NAME
- ": New device %s@ %s Mbps (%04x:%04x, interface %d, class %d)\n",
- descr,
+ ": New device %s %s @ %s Mbps "
+ "(%04x:%04x, interface %d, class %d)\n",
+ udev->manufacturer ? udev->manufacturer : "",
+ udev->product ? udev->product : "",
speed,
le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct),