gpoulios commented on code in PR #16356:
URL: https://github.com/apache/nuttx/pull/16356#discussion_r2083480191
##########
drivers/misc/optee.c:
##########
@@ -533,7 +538,16 @@ static int optee_close(FAR struct file *filep)
idr_for_each_entry(priv->shms, shm, id)
{
- optee_shm_free(shm);
+ if (shm->fd > -1)
+ {
+ /* The user did not call close(), do it here */
+
+ nx_close(shm->fd);
Review Comment:
We do in the case that the user explicitly calls `close(driver fd)` before
`close(shm fd)`. In that case, the shm is left with an invalid `priv` reference
and it can’t unregister or remove itself.
...unless there is some parent/child feature for inodes that auto-closes
children that I’m not aware of.
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