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libubus: check if subscriber cb is non-NULL before calling it
author
Felix Fietkau
<nbd@openwrt.org>
Fri, 14 Dec 2012 20:27:52 +0000
(21:27 +0100)
committer
Felix Fietkau
<nbd@openwrt.org>
Fri, 14 Dec 2012 20:27:52 +0000
(21:27 +0100)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
libubus-sub.c
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diff --git
a/libubus-sub.c
b/libubus-sub.c
index
8ffb018
..
167630c
100644
(file)
--- a/
libubus-sub.c
+++ b/
libubus-sub.c
@@
-21,7
+21,8
@@
static int ubus_subscriber_cb(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_subscriber *s;
s = container_of(obj, struct ubus_subscriber, obj);
- s->cb(ctx, obj, req, method, msg);
+ if (s->cb)
+ s->cb(ctx, obj, req, method, msg);
return 0;
}