Merge pull request #18955 from maribu/core/mbox/fix-race

core/mbox: fix race condition
RIOT-OS · Nov 23, 2022 · ad5f02d · ad5f02d
2 parents 232c70b + 42b9334
commit ad5f02d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/mbox.c b/core/mbox.c
@@ -73,7 +73,7 @@ int _mbox_put(mbox_t *mbox, msg_t *msg, int blocking)
         return 1;
     }
     else {
-        if (cib_full(&mbox->cib)) {
+        while (cib_full(&mbox->cib)) {
             if (blocking) {
                 _wait(&mbox->writers, irqstate);
                 irqstate = irq_disable();