gpoulios commented on code in PR #16356:
URL: https://github.com/apache/nuttx/pull/16356#discussion_r2083969809
##########
drivers/misc/optee.c:
##########
@@ -529,10 +534,21 @@ static int optee_close(FAR struct file *filep)
{
FAR struct optee_priv_data *priv = filep->f_priv;
FAR struct optee_shm *shm;
+ FAR struct file *shm_filep;
int id = 0;
idr_for_each_entry(priv->shms, shm, id)
{
+ if (shm->fd > -1 && fs_getfilep(shm->fd, &shm_filep) >= 0)
+ {
+ /* The user did not call close(), prevent vfs auto-close from
+ * double-freeing our SHM
+ */
+
+ shm_filep->f_priv = NULL;
Review Comment:
And again, no reason to NOT free upon driver close.
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