pussuw commented on code in PR #9030:
URL: https://github.com/apache/nuttx/pull/9030#discussion_r1169746610
##########
sched/addrenv/addrenv.c:
##########
@@ -237,62 +208,48 @@ int addrenv_switch(FAR struct tcb_s *tcb)
* Allocate an address environment for a new process.
*
* Input Parameters:
- * tcb - The tcb of the newly created task.
- * ttype - The type of the task.
+ * None
*
* Returned Value:
- * This is a NuttX internal function so it follows the convention that
- * 0 (OK) is returned on success and a negated errno is returned on
- * failure.
+ * Pointer to the new address environment, or NULL if out of memory.
*
****************************************************************************/
-int addrenv_allocate(FAR struct tcb_s *tcb, uint8_t ttype)
+FAR struct addrenv_s *addrenv_allocate(void)
{
- int ret = OK;
+ FAR struct addrenv_s *addrenv;
- if ((ttype & TCB_FLAG_TTYPE_MASK) == TCB_FLAG_TTYPE_KERNEL)
+ addrenv = (FAR struct addrenv_s *)kmm_zalloc(sizeof(struct addrenv_s));
+ if (addrenv)
{
- tcb->addrenv_own = NULL;
- }
- else
- {
- tcb->addrenv_own = (FAR struct addrenv_s *)
- kmm_zalloc(sizeof(struct addrenv_s));
- if (tcb->addrenv_own == NULL)
- {
- ret = -ENOMEM;
- }
+ /* Take reference so this won't get freed */
+
+ addrenv->refs = 1;
}
- return ret;
+ return addrenv;
}
/****************************************************************************
* Name: addrenv_free
*
* Description:
- * Free an address environment for a process.
+ * Unconditionally free an address environment.
Review Comment:
I solved this by removing the function entirely, I realized after your
comment it is not needed anyway :)
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