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Merge branch 'android-msm-angler-3.10-nyc-mr1' into android-msm-angler-3.10-nyc-mr2

Browse source 
May 2017.4

Bug: 36138159
This commit is contained in:
Ecco Park 2017-03-24 15:59:06 -07:00
commit cedc139f61
1 changed files with 59 additions and 22 deletions
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81
drivers/net/wireless/bcmdhd/dhd_linux.c
View file

@ -6257,45 +6257,82 @@ dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *param_buf,
return BCME_BADARG;
input_len = strlen(name) + 1 + param_len;
if (input_len > WLC_IOCTL_MAXLEN)
return BCME_BADARG;
buf = NULL;
if (set) {
if (res_buf || res_len != 0) {
DHD_ERROR(("%s: SET wrong arguemnet\n", __FUNCTION__));
return BCME_BADARG;
}
buf = kzalloc(input_len, GFP_ATOMIC);
buf = kzalloc(input_len, GFP_KERNEL);
if (!buf) {
DHD_ERROR(("%s: mem alloc failed\n", __FUNCTION__));
return BCME_NOMEM;
}
ret = bcm_mkiovar(name, param_buf, param_len, buf, input_len);
if (!ret) {
ret = BCME_NOMEM;
goto exit;
}
ioc.cmd = WLC_SET_VAR;
ioc.buf = buf;
ioc.len = input_len;
ioc.set = set;
ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
} else {
if (!res_buf) {
DHD_ERROR(("%s: GET failed. resp_buf NULL\n",
if (!res_buf || res_len == 0) {
DHD_ERROR(("%s: GET failed. resp_buf NULL or len:0\n",
__FUNCTION__));
return BCME_NOMEM;
}
if (res_len < input_len) {
DHD_ERROR(("%s: res_len(%d) < input_len(%d)\n",
__FUNCTION__, res_len, input_len));
return BCME_NOMEM;
DHD_INFO(("%s: res_len(%d) < input_len(%d)\n",
__FUNCTION__, res_len, input_len));
buf = kzalloc(input_len, GFP_KERNEL);
if (!buf) {
DHD_ERROR(("%s: mem alloc failed\n",
__FUNCTION__));
return BCME_NOMEM;
}
ret = bcm_mkiovar(name, param_buf, param_len, buf,
input_len);
if (!ret) {
ret = BCME_NOMEM;
goto exit;
}
ioc.cmd = WLC_GET_VAR;
ioc.buf = buf;
ioc.len = input_len;
ioc.set = set;
ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
if (ret == BCME_OK)
memcpy(res_buf, buf, res_len);
} else {
memset(res_buf, 0, res_len);
ret = bcm_mkiovar(name, param_buf, param_len, res_buf,
res_len);
if (!ret) {
ret = BCME_NOMEM;
goto exit;
}
ioc.cmd = WLC_GET_VAR;
ioc.buf = res_buf;
ioc.len = res_len;
ioc.set = set;
ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
}
memset(res_buf, 0, res_len);
ret = bcm_mkiovar(name, param_buf, param_len, res_buf, res_len);
}
if (ret == 0) {
if (set)
kfree(buf);
return BCME_NOMEM;
}
ioc.cmd = set ? WLC_SET_VAR : WLC_GET_VAR;
ioc.buf = set ? buf : res_buf;
ioc.len = set ? ret : res_len;
ioc.set = set;
ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
if (set)
kfree(buf);
exit:
kfree(buf);
return ret;
}