pussuw commented on code in PR #14764:
URL: https://github.com/apache/nuttx/pull/14764#discussion_r1840788819
##########
mm/iob/iob_alloc_qentry.c:
##########
@@ -101,21 +137,22 @@ static FAR struct iob_qentry_s *iob_allocwait_qentry(void)
* re-enabled while we are waiting for I/O buffers to become free.
*/
- flags = enter_critical_section();
-
/* Try to get an I/O buffer chain container. If successful, the semaphore
* count will bedecremented atomically.
*/
- qentry = iob_tryalloc_qentry();
- while (ret == OK && qentry == NULL)
+ flags = spin_lock_irqsave(&g_iob_lock);
Review Comment:
ditto
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