hujun260 commented on code in PR #15506:
URL: https://github.com/apache/nuttx/pull/15506#discussion_r1915870152
##########
arch/arm/src/lpc214x/lpc214x_usbdev.c:
##########
@@ -1124,6 +1139,19 @@ static int lpc214x_wrrequest(struct lpc214x_ep_s *privep)
return OK;
}
+static int lpc214x_wrrequest(struct lpc214x_ep_s *privep)
+{
+ int ret;
+
+ irqstate_t flags = spin_lock_irqsave(&g_usbdev.lock);
+ sched_lock();
+ ret = lpc214x_wrrequest_nolock(privep);
Review Comment:
lpc214x_wrrequest_nolock may call lpc214x_reqcomplete dead lock
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