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* [PATCH] staging: r8188eu: os_dep: remove unused function rtw_android_priv_cmd
@ 2021-09-12 17:16 Saurav Girepunje
  2021-09-13 16:24 ` Greg KH
  0 siblings, 1 reply; 4+ messages in thread
From: Saurav Girepunje @ 2021-09-12 17:16 UTC (permalink / raw)
  To: Larry.Finger, phil, gregkh, martin, saurav.girepunje,
	straube.linux, linux-staging, linux-kernel
  Cc: saurav.girepunje

Remove unused function rtw_android_priv_cmd.

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
---
 drivers/staging/r8188eu/include/rtw_android.h |   1 -
 drivers/staging/r8188eu/os_dep/rtw_android.c  | 138 ------------------
 2 files changed, 139 deletions(-)

diff --git a/drivers/staging/r8188eu/include/rtw_android.h b/drivers/staging/r8188eu/include/rtw_android.h
index f60cf1c82984..86e3ac5f7955 100644
--- a/drivers/staging/r8188eu/include/rtw_android.h
+++ b/drivers/staging/r8188eu/include/rtw_android.h
@@ -42,6 +42,5 @@ enum ANDROID_WIFI_CMD {
 };

 int rtw_android_cmdstr_to_num(char *cmdstr);
-int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd);

 #endif /* __RTW_ANDROID_H__ */
diff --git a/drivers/staging/r8188eu/os_dep/rtw_android.c b/drivers/staging/r8188eu/os_dep/rtw_android.c
index 010d529c8982..bd76177d60f9 100644
--- a/drivers/staging/r8188eu/os_dep/rtw_android.c
+++ b/drivers/staging/r8188eu/os_dep/rtw_android.c
@@ -133,141 +133,3 @@ static int rtw_android_set_block(struct net_device *net, char *command,
 	return 0;
 }

-int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
-{
-	int ret = 0;
-	char *command = NULL;
-	int cmd_num;
-	int bytes_written = 0;
-	struct android_wifi_priv_cmd priv_cmd;
-
-	if (!ifr->ifr_data) {
-		ret = -EINVAL;
-		goto exit;
-	}
-	if (copy_from_user(&priv_cmd, ifr->ifr_data,
-			   sizeof(struct android_wifi_priv_cmd))) {
-		ret = -EFAULT;
-		goto exit;
-	}
-	command = kmalloc(priv_cmd.total_len, GFP_KERNEL);
-	if (!command) {
-		DBG_88E("%s: failed to allocate memory\n", __func__);
-		ret = -ENOMEM;
-		goto exit;
-	}
-	if (!access_ok(priv_cmd.buf, priv_cmd.total_len)) {
-		DBG_88E("%s: failed to access memory\n", __func__);
-		ret = -EFAULT;
-		goto exit;
-	}
-	if (copy_from_user(command, (char __user *)priv_cmd.buf,
-			   priv_cmd.total_len)) {
-		ret = -EFAULT;
-		goto exit;
-	}
-	DBG_88E("%s: Android private cmd \"%s\" on %s\n",
-		__func__, command, ifr->ifr_name);
-	cmd_num = rtw_android_cmdstr_to_num(command);
-	switch (cmd_num) {
-	case ANDROID_WIFI_CMD_START:
-		goto response;
-	case ANDROID_WIFI_CMD_SETFWPATH:
-		goto response;
-	}
-	if (!g_wifi_on) {
-		DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n",
-			__func__, command, ifr->ifr_name);
-		ret = 0;
-		goto exit;
-	}
-	switch (cmd_num) {
-	case ANDROID_WIFI_CMD_STOP:
-		break;
-	case ANDROID_WIFI_CMD_SCAN_ACTIVE:
-		break;
-	case ANDROID_WIFI_CMD_SCAN_PASSIVE:
-		break;
-	case ANDROID_WIFI_CMD_RSSI:
-		bytes_written = rtw_android_get_rssi(net, command,
-						     priv_cmd.total_len);
-		break;
-	case ANDROID_WIFI_CMD_LINKSPEED:
-		bytes_written = rtw_android_get_link_speed(net, command,
-							   priv_cmd.total_len);
-		break;
-	case ANDROID_WIFI_CMD_MACADDR:
-		bytes_written = rtw_android_get_macaddr(net, command,
-							priv_cmd.total_len);
-		break;
-	case ANDROID_WIFI_CMD_BLOCK:
-		bytes_written = rtw_android_set_block(net, command,
-						      priv_cmd.total_len);
-		break;
-	case ANDROID_WIFI_CMD_RXFILTER_START:
-		break;
-	case ANDROID_WIFI_CMD_RXFILTER_STOP:
-		break;
-	case ANDROID_WIFI_CMD_RXFILTER_ADD:
-		break;
-	case ANDROID_WIFI_CMD_RXFILTER_REMOVE:
-		break;
-	case ANDROID_WIFI_CMD_BTCOEXSCAN_START:
-		/* TBD: BTCOEXSCAN-START */
-		break;
-	case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP:
-		/* TBD: BTCOEXSCAN-STOP */
-		break;
-	case ANDROID_WIFI_CMD_BTCOEXMODE:
-		break;
-	case ANDROID_WIFI_CMD_SETSUSPENDOPT:
-		break;
-	case ANDROID_WIFI_CMD_SETBAND:
-		break;
-	case ANDROID_WIFI_CMD_GETBAND:
-		break;
-	case ANDROID_WIFI_CMD_COUNTRY:
-		bytes_written = android_set_cntry(net, command,
-						  priv_cmd.total_len);
-		break;
-	case ANDROID_WIFI_CMD_P2P_DEV_ADDR:
-		bytes_written = android_get_p2p_addr(net, command,
-						     priv_cmd.total_len);
-		break;
-	case ANDROID_WIFI_CMD_P2P_SET_NOA:
-		break;
-	case ANDROID_WIFI_CMD_P2P_GET_NOA:
-		break;
-	case ANDROID_WIFI_CMD_P2P_SET_PS:
-		break;
-	default:
-		DBG_88E("Unknown PRIVATE command %s - ignored\n", command);
-		snprintf(command, 3, "OK");
-		bytes_written = strlen("OK");
-	}
-
-response:
-	if (bytes_written >= 0) {
-		if ((bytes_written == 0) && (priv_cmd.total_len > 0))
-			command[0] = '\0';
-		if (bytes_written >= priv_cmd.total_len) {
-			DBG_88E("%s: bytes_written = %d\n", __func__,
-				bytes_written);
-			bytes_written = priv_cmd.total_len;
-		} else {
-			bytes_written++;
-		}
-		priv_cmd.used_len = bytes_written;
-		if (copy_to_user((char __user *)priv_cmd.buf, command,
-				 bytes_written)) {
-			DBG_88E("%s: failed to copy data to user buffer\n",
-				__func__);
-			ret = -EFAULT;
-		}
-	} else {
-		ret = bytes_written;
-	}
-exit:
-	kfree(command);
-	return ret;
-}
--
2.32.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-09-17 15:39 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-09-12 17:16 [PATCH] staging: r8188eu: os_dep: remove unused function rtw_android_priv_cmd Saurav Girepunje
2021-09-13 16:24 ` Greg KH
2021-09-13 17:40   ` Phillip Potter
2021-09-17 15:39     ` Saurav Girepunje

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