staging: r8188eu: scheduling in atomic in rtw_createbss_cmd()

A couple of the callers are holding spinlocks so this allocation has to
be atomic.  One spinlock is in rtw_set_802_11_connect() but the simpler
spinlock to review is when this function is called from
rtw_surveydone_event_callback().

Fixes: 15865124 ("staging: r8188eu: introduce new core dir for RTL8188eu driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210812065852.GB31863@kiliSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_cmd.c

@@ -729,7 +729,7 @@ u8 rtw_createbss_cmd(struct adapter  *padapter)
 
 	rtw_led_control(padapter, LED_CTL_START_TO_LINK);
 
-	pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+	pcmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
 	if (!pcmd) {
 		res = _FAIL;
 		goto exit;