On Wed. 27 Oct 2021 at 16:39, Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> wrote: > On 27.10.2021 03:07:40, Vincent Mailhol wrote: > > In es58x_rx_err_msg(), if can->do_set_mode() fails, the function > > directly returns without calling netif_rx(skb). This means that the > > skb previously allocated by alloc_can_err_skb() is not freed. In other > > terms, this is a memory leak. > > > > This patch simply removes the return statement in the error branch and > > let the function continue. > > > > * Appendix: how the issue was found * > > Thanks for the explanation, but I think I'll remove the appendix while > applying. The commit will have a link to this thread so if you don't mind, I suggest to replace the full appendix with: Issue was found with GCC -fanalyzer, please follow the link below for details. You can of course do the same for the m_can patch. Yours sincerely, Vincent Mailhol