netdev - Re: ps3_gelic_net.c issue (linux kernel 6.8-rc1)

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Date: Thu, 25 Jan 2024 06:46:45 +0000
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: sambat goson <sombat3960@...il.com>, "Linuxppc-dev@...ts.ozlabs.org"
	<Linuxppc-dev@...ts.ozlabs.org>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, Geoff Levand <geoff@...radead.org>
Subject: Re: ps3_gelic_net.c issue (linux kernel 6.8-rc1)

Hi,

Le 24/01/2024 à 09:41, sambat goson a écrit :
> 	
> Hi,
> I've just test it and find below code not proper in function 
> "gelic_descr_prepare_rx", line 398.
> it causes error as my attached file.
> 
> descr->skb = netdev_alloc_skb(*card->netdev, rx_skb_size);
> if (!descr->skb) {
> descr->hw_regs.payload.dev_addr = 0; /* tell DMAC don't touch memory */
> return -ENOMEM;
> }
> descr->hw_regs.dmac_cmd_status = 0;
> descr->hw_regs.result_size = 0;
> descr->hw_regs.valid_size = 0;
> descr->hw_regs.data_error = 0;
> descr->hw_regs.payload.dev_addr = 0;
> descr->hw_regs.payload.size = 0;
> descr->skb = NULL;                     ---->line 398
> 

Looks like a copy/paste error from gelic_descr_release_tx() in commit 
3ce4f9c3fbb3 ("net/ps3_gelic_net: Add gelic_descr structures"), the 
whole block is wrong I guess, not only the descr->skb = NULL;

Geoff, can you fix it ?

Christophe