xiaoxiang781216 commented on a change in pull request #4814:
URL: https://github.com/apache/incubator-nuttx/pull/4814#discussion_r746208839
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File path: net/can/can_recvmsg.c
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@@ -622,7 +623,14 @@ ssize_t can_recvmsg(FAR struct socket *psock, FAR struct
msghdr *msg,
* socket has been disconnected.
*/
+ /* The following operations must be performed with interrupts
+ * disabled because iob_tryadd_queue() may be called from an interrupt
Review comment:
iob_tryalloc_qentry already hold critical section, why we need hold here
again?
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