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Commit 05cadc35 authored by zhangjie's avatar zhangjie Committed by android-t1
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[ALM:11132375] Enable wifi macaddr 

&&&%%%comment:Enable wifi macaddr
&&&%%%bug number:11132375
&&&%%%product name:sm7225_r_fp4
&&&%%%root cause:Coding
&&&%%%Bug category:T2M
&&&%%%Module_Impact:wifi
&&&%%%Test_Suggestion:.
&&&%%%Solution:.
&&&%%%Test_Report:.
&&&%%%VAL Can Test:Yes
parent 94107645

core/hdd/src/wlan_hdd_main.c

+14 −17
Original line number Diff line number Diff line
@@ -1992,6 +1992,8 @@ static void hdd_update_tgt_vht_cap(struct hdd_context *hdd_ctx, 
#define MAC_LEN		6

#define MAC_STR_LEN	17

#define MAC_CHAR_NUM	2

#define CMDLINE "/proc/cmdline"

#define CMDLINE_LEN 1024

static inline int is_in_range(unsigned char c,

		unsigned char low, unsigned char high)

{
@@ -2066,39 +2068,34 @@ static int jrd_get_mac_addr(unsigned char *eaddr) 
{

	struct file *fp = NULL;

	char fn[100] = {0};

	char dp[MAC_STR_LEN + 1] = {0};

	int l,len;

    char dp[CMDLINE_LEN + 1] = {0};

	int  len;

	char *wifimac_pos = NULL;

	char WifiMac[MAC_STR_LEN + 1] = {0};

	loff_t pos;

	mm_segment_t old_fs;

	//FIXME:hard code.

	//Modify wifi mac address file location

	strcpy(fn, "/mnt/vendor/persist/t2m_param/wlan_macaddr");

	strcpy(fn, CMDLINE);

	fp = filp_open(fn, O_RDONLY, 0);

	if(IS_ERR(fp)){

		printk(KERN_INFO "Unable to open '%s'.\n", fn);

		goto err_open;

	}



	l = fp->f_path.dentry->d_inode->i_size;

	if(l < MAC_STR_LEN){

		printk(KERN_INFO "Invalid macaddr file '%s' %d\n", fn,l);

		goto err_format;

	}



	pos = 0;

	old_fs=get_fs();

	set_fs(KERNEL_DS);

	len=vfs_read(fp, dp, MAC_STR_LEN, &pos);

    len=vfs_read(fp, dp, CMDLINE_LEN, &pos);

	set_fs(old_fs);

	if(len!= MAC_STR_LEN)

	wifimac_pos = strstr(dp, "WifiMac");

	if (!wifimac_pos)

	{

		printk(KERN_INFO "Failed to read '%s'  %d  %s.\n", fn,len,dp );

		printk(KERN_INFO "Can't find wifimac\n'");

		goto err_format;

	}



	dp[MAC_STR_LEN] = '\0';

	str2wa(dp, eaddr);



    strncpy(WifiMac, wifimac_pos+8, 17);

	WifiMac[MAC_STR_LEN] = '\0';

	str2wa(WifiMac, eaddr);

	filp_close(fp, NULL);

	return 0;