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libubus: check if subscriber cb is non-NULL before calling it

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau 2012-12-14 21:27:52 +01:00
parent ee9e399096
commit e9431842e2
1 changed files with 2 additions and 1 deletions
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3
libubus-sub.c
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@ -21,7 +21,8 @@ static int ubus_subscriber_cb(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_subscriber *s; struct ubus_subscriber *s;
s = container_of(obj, struct ubus_subscriber, obj); 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; return 0;
} }