From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 3 Nov 2006 11:56:38 +0000 (+0000)
Subject: make sure that diag doesn't call hotplug from interrupt context
X-Git-Tag: whiterussian_rc6~19
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f7da2b118a3552830174fc2133b51d73ea9fe183;p=openwrt%2Fsvn-archive%2Fopenwrt.git

make sure that diag doesn't call hotplug from interrupt context

SVN-Revision: 5417
---

diff --git a/openwrt/target/linux/package/diag/src/diag.c b/openwrt/target/linux/package/diag/src/diag.c
index fdbd3ca762..bb5828bdae 100644
--- a/openwrt/target/linux/package/diag/src/diag.c
+++ b/openwrt/target/linux/package/diag/src/diag.c
@@ -666,6 +666,11 @@ struct event_t {
 
 static void hotplug_button(struct event_t *event)
 {
+	/* can't do it from interrupt context, reschedule */
+	if (in_interrupt()) {
+		schedule_task(&event->tq);
+		return;
+	}
 	call_usermodehelper (event->argv[0], event->argv, event->envp);
 	kfree(event);
 }