wifi: mwifiex: fix endianness handling in mwifiex_send_rgpower_table

The length of the host command is a u16 stored in little endian byte
order, which needs byte order conversion to work correctly on big endian
systems.

Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/linux-wireless/[email protected]
Fixes: 7b6f16a ("wifi: mwifiex: add rgpower table loading support")
Signed-off-by: Stefan Kerkmann <[email protected]>
Reviewed-by: Francesco Dolcini <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Johannes Berg <[email protected]>

Author: KarlK90

drivers/net/wireless/marvell/mwifiex/sta_cmd.c

@@ -1537,7 +1537,7 @@ int mwifiex_send_rgpower_table(struct mwifiex_private *priv, const u8 *data,
 		}
 
 		if (*pos == '}' && start_raw) {
-			memcpy(&hostcmd->len, &hostcmd->cmd[2], sizeof(u16));
+			hostcmd->len = get_unaligned_le16(&hostcmd->cmd[2]);
 			ret = mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, false);
 			if (ret) {
 				mwifiex_dbg(adapter, ERROR,