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ucode: fix ubus defer when running from within eloop (integrated with uloop)

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Felix Fietkau 2024-05-01 19:00:10 +02:00
parent 52a5f4491c
commit b6f1e2e5b0
1 changed files with 26 additions and 0 deletions
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package/utils/ucode/patches/100-ubus-fix-uc_ubus_have_uloop-for-eloop-uloop-combinat.patch Normal file
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From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 1 May 2024 18:40:19 +0200
Subject: [PATCH] ubus: fix uc_ubus_have_uloop for eloop+uloop combination
When uloop has been integrated with eloop (in hostapd/wpa_supplicant),
uloop_cancelling will return false, since uloop_run is not being called.
This leads to ubus.defer() calling uloop_run in a context where it can
prevent the other event loop from running.
Fix this by detecting event loop integration via uloop_fd_set_cb being set
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/lib/ubus.c
+++ b/lib/ubus.c
@@ -665,6 +665,9 @@ uc_ubus_have_uloop(void)
bool prev = uloop_cancelled;
bool active;
+ if (uloop_fd_set_cb)
+ return true;
+
uloop_cancelled = true;
active = uloop_cancelling();
uloop_cancelled = prev;