diff options
author | Malcolm Priestley <tvboxspy@gmail.com> | 2013-11-03 19:02:41 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-11 16:33:23 -0800 |
commit | f0fde117c12692f76887e09944f4d923a5470bdd (patch) | |
tree | b8c6d68e7a534b62e9d7c5c125142255fd4641c4 | |
parent | cbc06fb10c7295855c28c3a4b84b96b48e1dd844 (diff) |
staging: vt6656: main_usb.c ether_crc use kernel code
use ether_crc already in kernel and remove local version.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/vt6656/device.h | 1 | ||||
-rw-r--r-- | drivers/staging/vt6656/main_usb.c | 16 |
2 files changed, 1 insertions, 16 deletions
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 739cda41b5a7..b7a6e14e4d9f 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -44,6 +44,7 @@ #include <net/cfg80211.h> #include <linux/timer.h> #include <linux/usb.h> +#include <linux/crc32.h> #ifdef SIOCETHTOOL #define DEVICE_ETHTOOL_IOCTL_SUPPORT diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 21805c650319..4cb7aa737a99 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -1194,22 +1194,6 @@ out: return NETDEV_TX_OK; } -static unsigned const ethernet_polynomial = 0x04c11db7U; -static inline u32 ether_crc(int length, unsigned char *data) -{ - int crc = -1; - - while(--length >= 0) { - unsigned char current_octet = *data++; - int bit; - for (bit = 0; bit < 8; bit++, current_octet >>= 1) { - crc = (crc << 1) ^ - ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0); - } - } - return crc; -} - /* find out the start position of str2 from str1 */ static unsigned char *kstrstr(const unsigned char *str1, const unsigned char *str2) { |