[android-common:android16-6.12-desktop 1/1] drivers/usb/typec/mode_selection.c:261:9: error: implicit declaration of function 'kzalloc'

[kernel test robot <lkp@intel.com>]

Hi Andrei,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android16-6.12-desktop
head:   24c37396da197463e1ff2bc69bb789e34dacad53
commit: f49f8d90b43e2a0aa7a011c88529f38c409fbf0b [1/1] ANDROID: usb: typec: Implement mode selection
config: arm-randconfig-004-20260813 (https://download.01.org/0day-ci/archive/20260813/202608131955.l7J3dFuN-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260813/202608131955.l7J3dFuN-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608131955.l7J3dFuN-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/usb/typec/mode_selection.c: In function 'mode_list_clean':
   drivers/usb/typec/mode_selection.c:110:3: error: implicit declaration of function 'kfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
     110 |   kfree(ms);
         |   ^~~~~
         |   kvfree
   drivers/usb/typec/mode_selection.c: In function 'mode_add_to_list':
>> drivers/usb/typec/mode_selection.c:261:9: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
     261 |    ms = kzalloc(sizeof(struct mode_state), GFP_KERNEL);
         |         ^~~~~~~
   drivers/usb/typec/mode_selection.c:261:7: warning: assignment to 'struct mode_state *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     261 |    ms = kzalloc(sizeof(struct mode_state), GFP_KERNEL);
         |       ^
   drivers/usb/typec/mode_selection.c: In function 'typec_mode_selection_start':
   drivers/usb/typec/mode_selection.c:292:6: warning: assignment to 'struct altmode_selection *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     292 |  sel = kzalloc(sizeof(struct altmode_selection), GFP_KERNEL);
         |      ^
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for WIRELESS_EXT
   Depends on [n]: NET [=n] && WIRELESS [=n]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for WEXT_PROC
   Depends on [n]: NET [=n] && WIRELESS [=n] && PROC_FS [=n] && WEXT_CORE [=y]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for SND_PCM_ELD
   Depends on [n]: SOUND [=m] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for PAGE_POOL
   Depends on [n]: NET [=n]
   Selected by [y]:
   - GKI_HIDDEN_NET_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for WEXT_PRIV
   Depends on [n]: NET [=n] && WIRELESS [=n]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for NET_PTP_CLASSIFY
   Depends on [n]: NET [=n]
   Selected by [y]:
   - GKI_HIDDEN_NET_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for DRM_GEM_SHMEM_HELPER
   Depends on [n]: HAS_IOMEM [=y] && DRM [=m] && MMU [=n]
   Selected by [m]:
   - GKI_HIDDEN_DRM_CONFIGS [=y] && DRM [=m]
   WARNING: unmet direct dependencies detected for WEXT_CORE
   Depends on [n]: NET [=n] && WIRELESS [=n] && (CFG80211_WEXT [=n] || WIRELESS_EXT [=y])
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for SND_COMPRESS_ACCEL
   Depends on [n]: SOUND [=m] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_JACK
   Depends on [n]: SOUND [=m] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_VMASTER
   Depends on [n]: SOUND [=m] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for WEXT_SPY
   Depends on [n]: NET [=n] && WIRELESS [=n]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for SND_JACK_INPUT_DEV
   Depends on [n]: SOUND [=m] && SND [=n] && SND_JACK [=y]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for NET_DEVLINK
   Depends on [n]: NET [=n]
   Selected by [y]:
   - GKI_HIDDEN_NET_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for DRM_TTM
   Depends on [n]: HAS_IOMEM [=y] && DRM [=m] && MMU [=n]
   Selected by [m]:
   - GKI_HIDDEN_DRM_CONFIGS [=y] && HAS_IOMEM [=y] && DRM [=m]


vim +/kzalloc +261 drivers/usb/typec/mode_selection.c

   250	
   251	static int mode_add_to_list(struct device *dev, void *data)
   252	{
   253		struct list_head *list = (struct list_head *)data;
   254		struct mode_state *ms;
   255	
   256		if (is_typec_altmode(dev)) {
   257			struct typec_altmode *altmode = to_typec_altmode(dev);
   258			const struct typec_altmode *pdev = typec_altmode_get_partner(altmode);
   259	
   260			if (pdev && altmode->ops && altmode->ops->activate) {
 > 261				ms = kzalloc(sizeof(struct mode_state), GFP_KERNEL);
   262				if (!ms)
   263					return -ENOMEM;
   264	
   265				ms->altmode = altmode;
   266				ms->priority = pdev->priority;
   267				INIT_LIST_HEAD(&ms->list);
   268				list_add_tail(&ms->list, list);
   269			}
   270		}
   271	
   272		return 0;
   273	}
   274	

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