leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Staging: wilc1000: coreconfigurator: Drop unneeded wrapper functions

Browse Source 
Replace the wrapper functions get_address1(), get_address2() and get_address3()
with the standard kernel function ether_addr_copy().
Semantic patch used to identify the issue:

@@
identifier f,g;
@@

*f(...) {
 g(...); }

Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shivani Bhardwaj 2015-10-26 20:16:32 +05:30 committed by Greg Kroah-Hartman
parent 9081987d4f
commit d4622f68db
1 changed files with 23 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
drivers/staging/wilc1000/coreconfigurator.c
View File

@ -13,8 +13,12 @@
#include "wilc_wlan.h"
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/etherdevice.h>
#define TAG_PARAM_OFFSET (MAC_HDR_LEN + TIME_STAMP_LEN + \
BEACON_INTERVAL_LEN + CAP_INFO_LEN)
#define ADDR1 4
#define ADDR2 10
#define ADDR3 16
/* Basic Frame Type Codes (2-bit) */
enum basic_frame_type {
@ -171,38 +175,32 @@ static inline u8 get_from_ds(u8 *header)
return ((header[1] & 0x02) >> 1);
}
/* This function extracts the MAC Address in 'address1' field of the MAC */
/* header and updates the MAC Address in the allocated 'addr' variable. */
static inline void get_address1(u8 *pu8msa, u8 *addr)
{
memcpy(addr, pu8msa + 4, 6);
}
/* This function extracts the MAC Address in 'address2' field of the MAC */
/* header and updates the MAC Address in the allocated 'addr' variable. */
static inline void get_address2(u8 *pu8msa, u8 *addr)
{
memcpy(addr, pu8msa + 10, 6);
}
/* This function extracts the MAC Address in 'address3' field of the MAC */
/* header and updates the MAC Address in the allocated 'addr' variable. */
static inline void get_address3(u8 *pu8msa, u8 *addr)
{
memcpy(addr, pu8msa + 16, 6);
}
/* This function extracts the BSSID from the incoming WLAN packet based on */
/* the 'from ds' bit, and updates the MAC Address in the allocated 'addr' */
/* the 'from ds' bit, and updates the MAC Address in the allocated 'data' */
/* variable. */
static inline void get_BSSID(u8 *data, u8 *bssid)
{
if (get_from_ds(data) == 1)
get_address2(data, bssid);
/*
* Extract the MAC Address in 'address2' field of the MAC
* header and update the MAC Address in the allocated 'data'
* variable.
*/
ether_addr_copy(data, bssid + ADDR2);
else if (get_to_ds(data) == 1)
get_address1(data, bssid);
/*
* Extract the MAC Address in 'address1' field of the MAC
* header and update the MAC Address in the allocated 'data'
* variable.
*/
ether_addr_copy(data, bssid + ADDR1);
else
get_address3(data, bssid);
/*
* Extract the MAC Address in 'address3' field of the MAC
* header and update the MAC Address in the allocated 'data'
* variable.
*/
ether_addr_copy(data, bssid + ADDR3);
}
/* This function extracts the SSID from a beacon/probe response frame */