CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Vladimir Oltean <vladimir.oltean@nxp.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3e732ebf7316ac83e8562db7e64cc68aec390a18
commit: 1bf658eefe38cc26801b5861bbb6dbf3259ba8c1 net: dsa: sja1105: allow the frame buffer size to be customized
date:   11 months ago
:::::: branch date: 4 hours ago
:::::: commit date: 11 months ago
config: mips-randconfig-m031-20220405 (https://download.01.org/0day-ci/archive/20220406/202204060508.NkMJaUJI-lkp(a)intel.com/config)
compiler: mips64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:493 sja1105_init_l2_forwarding_params() warn: is 'table->entries' large enough for 'struct sja1105_l2_forwarding_params_entry'? 0

Old smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:193 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:196 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:202 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:207 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:634 sja1105_init_avb_params() warn: is 'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0

vim +493 drivers/net/dsa/sja1105/sja1105_main.c

8aa9ebccae87621 Vladimir Oltean 2019-05-02  469  
8aa9ebccae87621 Vladimir Oltean 2019-05-02  470  static int sja1105_init_l2_forwarding_params(struct sja1105_private *priv)
8aa9ebccae87621 Vladimir Oltean 2019-05-02  471  {
1bf658eefe38cc2 Vladimir Oltean 2021-05-24  472  	struct sja1105_l2_forwarding_params_entry *l2fwd_params;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  473  	struct sja1105_table *table;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  474  
8aa9ebccae87621 Vladimir Oltean 2019-05-02  475  	table = &priv->static_config.tables[BLK_IDX_L2_FORWARDING_PARAMS];
8aa9ebccae87621 Vladimir Oltean 2019-05-02  476  
8aa9ebccae87621 Vladimir Oltean 2019-05-02  477  	if (table->entry_count) {
8aa9ebccae87621 Vladimir Oltean 2019-05-02  478  		kfree(table->entries);
8aa9ebccae87621 Vladimir Oltean 2019-05-02  479  		table->entry_count = 0;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  480  	}
8aa9ebccae87621 Vladimir Oltean 2019-05-02  481  
fd6f2c257b0bc0c Vladimir Oltean 2021-05-24  482  	table->entries = kcalloc(table->ops->max_entry_count,
8aa9ebccae87621 Vladimir Oltean 2019-05-02  483  				 table->ops->unpacked_entry_size, GFP_KERNEL);
8aa9ebccae87621 Vladimir Oltean 2019-05-02  484  	if (!table->entries)
8aa9ebccae87621 Vladimir Oltean 2019-05-02  485  		return -ENOMEM;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  486  
fd6f2c257b0bc0c Vladimir Oltean 2021-05-24  487  	table->entry_count = table->ops->max_entry_count;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  488  
8aa9ebccae87621 Vladimir Oltean 2019-05-02  489  	/* This table only has a single entry */
1bf658eefe38cc2 Vladimir Oltean 2021-05-24  490  	l2fwd_params = table->entries;
1bf658eefe38cc2 Vladimir Oltean 2021-05-24  491  
1bf658eefe38cc2 Vladimir Oltean 2021-05-24  492  	/* Disallow dynamic reconfiguration of vlan_pmap */
1bf658eefe38cc2 Vladimir Oltean 2021-05-24 @493  	l2fwd_params->max_dynp = 0;
1bf658eefe38cc2 Vladimir Oltean 2021-05-24  494  	/* Use a single memory partition for all ingress queues */
1bf658eefe38cc2 Vladimir Oltean 2021-05-24  495  	l2fwd_params->part_spc[0] = priv->info->max_frame_mem;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  496  
8aa9ebccae87621 Vladimir Oltean 2019-05-02  497  	return 0;
8aa9ebccae87621 Vladimir Oltean 2019-05-02  498  }
8aa9ebccae87621 Vladimir Oltean 2019-05-02  499  

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