linux-kernel - Re: [PATCH net v2] net: ethernet: mtk_eth_soc: fix memory leak in LRO rings release

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Message-ID: <202408140408.smKpJgMF-lkp@intel.com>
Date: Wed, 14 Aug 2024 04:56:54 +0800
From: kernel test robot <lkp@...el.com>
To: Elad Yifee <eladwf@...il.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, eladwf@...il.com,
	daniel@...rotopia.org, Felix Fietkau <nbd@....name>,
	Sean Wang <sean.wang@...iatek.com>,
	Mark Lee <Mark-MC.Lee@...iatek.com>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Chen Lin <chen45464546@....com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net v2] net: ethernet: mtk_eth_soc: fix memory leak in
 LRO rings release

Hi Elad,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Elad-Yifee/net-ethernet-mtk_eth_soc-fix-memory-leak-in-LRO-rings-release/20240813-015755
base:   net/main
patch link:    https://lore.kernel.org/r/20240812152126.14598-1-eladwf%40gmail.com
patch subject: [PATCH net v2] net: ethernet: mtk_eth_soc: fix memory leak in LRO rings release
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240814/202408140408.smKpJgMF-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240814/202408140408.smKpJgMF-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408140408.smKpJgMF-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/ethernet/mediatek/mtk_eth_soc.c:1768:14: error: expected expression
    1768 |                 free_pages(unsigned long)data, get_order(mtk_max_frag_size(ring->frag_size)));
         |                            ^
   1 error generated.


vim +1768 drivers/net/ethernet/mediatek/mtk_eth_soc.c

  1759	
  1760	static void mtk_rx_put_buff(struct mtk_rx_ring *ring, void *data, bool napi)
  1761	{
  1762		if (ring->page_pool)
  1763			page_pool_put_full_page(ring->page_pool,
  1764						virt_to_head_page(data), napi);
  1765		else if (ring->frag_size <= PAGE_SIZE)
  1766			skb_free_frag(data);
  1767		else
> 1768			free_pages(unsigned long)data, get_order(mtk_max_frag_size(ring->frag_size)));
  1769	}
  1770	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki