tree 38ff43b7437e04790379fa19eeba828f27207b38
parent 1740dfc8c2d0f8ddb7376a78ad4ffec60619433d
author Grzegorz Kostka <grzegorz@mobility.cloud> 1599477075 +0200
committer Maureen Helm <maureen.helm@nxp.com> 1599771876 -0500

lib: fdtable: fix z_free_fd multiple calls fd leak

Multiple calls of z_free_fd against fd with refcount equal 0 are causing
descriptor table entry leak by decrementing refcount below 0.
This patch prevents decrementing refcount below zero.

Signed-off-by: Grzegorz Kostka <grzegorz@mobility.cloud>