RE: [net-next PATCH v5 4/5] net: ethernet: stmicro: stmmac: generate stmmac dma conf before open

[Jose Abreu]

From: Christian Marangi <ansuelsmth@xxxxxxxxx>
Date: Wed, Jun 14, 2023 at 03:16:08

> I'm not following the meaning of leak here. If it's intended as a memory
> leak then dma_conf is correctly freed in the 2 user of __stmmac_open.
> 
> stmmac_init_phy also doesn't seems to use dma_conf. Am I missing
> something here?
> 

Sorry, I should have been clearer: It's not leaking the dma_conf per-se but
the contents of it: The DMA descriptors. Since the memcpy() is only done after
init_phy(); if init_phy() fails, then stmmac will never free up the DMA descriptors.

Does it make sense?

Thanks,
Jose