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snmp_threadsync.c: Fix ignored return value of mutex/semaphore creation. Found by Coverity.
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@ -199,8 +199,10 @@ snmp_threadsync_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, stru
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/** Initializes thread synchronization instance */
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void snmp_threadsync_init(struct snmp_threadsync_instance *instance, snmp_threadsync_synchronizer_fn sync_fn)
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{
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sys_mutex_new(&instance->sem_usage_mutex);
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sys_sem_new(&instance->sem, 0);
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err_t err = sys_mutex_new(&instance->sem_usage_mutex);
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LWIP_ASSERT("Failed to set up mutex", err == ERR_OK);
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err = sys_sem_new(&instance->sem, 0);
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LWIP_ASSERT("Failed to set up semaphore", err == ERR_OK);
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instance->sync_fn = sync_fn;
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}
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