drivers/net/wireless/marvell/mwifiex/sta_ioctl.c:186 mwifiex_dnld_dt_txpwr_table() warn: '"marvell,00_txpwrlimit"' 65433600 can't fit into 255 'txpwr[0]'

BCC: [email protected]
CC: [email protected]
CC: [email protected]
TO: Stefan Kerkmann <[email protected]>
CC: Johannes Berg <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cb8a75eec0877810b50aa1c5a833f929525cd2ee
commit: 7b6f16a258065f85793fb2597a290041c1e3d201 wifi: mwifiex: add rgpower table loading support
date:   12 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 12 months ago
config: i386-randconfig-141 (https://download.01.org/0day-ci/archive/20260820/[email protected]/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
smatch: v0.5.0-9187-g5189e3fb

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
| Fixes: 7b6f16a25806 ("wifi: mwifiex: add rgpower table loading support")
| Reported-by: kernel test robot <[email protected]>
| Reported-by: Dan Carpenter <[email protected]>
| Closes: https://lore.kernel.org/r/[email protected]/

smatch warnings:
drivers/net/wireless/marvell/mwifiex/sta_ioctl.c:186 mwifiex_dnld_dt_txpwr_table() warn: '"marvell,00_txpwrlimit"' 65433600 can't fit into 255 'txpwr[0]'

vim +186 drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

7c6fa2a843c5ac0 drivers/net/wireless/mwifiex/sta_ioctl.c         Amitkumar Karwar 2011-08-10  182  
7b6f16a258065f8 drivers/net/wireless/marvell/mwifiex/sta_ioctl.c Stefan Kerkmann  2025-08-04  183  static void mwifiex_dnld_dt_txpwr_table(struct mwifiex_private *priv)
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  184  {
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  185  	if (priv->adapter->dt_node) {
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08 @186  		char txpwr[] = {"marvell,00_txpwrlimit"};
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  187  
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  188  		memcpy(&txpwr[8], priv->adapter->country_code, 2);
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  189  		mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  190  	}
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  191  }
b58df4461921dad drivers/net/wireless/mwifiex/sta_ioctl.c         Bing Zhao        2014-01-08  192  

:::::: The code at line 186 was first introduced by commit
:::::: b58df4461921dad57707fbedee11e6f79f58b1e6 mwifiex: use a function to replace two copies of a code fragment

:::::: TO: Bing Zhao <[email protected]>
:::::: CC: John W. Linville <[email protected]>

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https://github.com/intel/lkp-tests/wiki