[android-common:android14-6.1 7/7] drivers/usb/host/xhci-mem.c:391:16: sparse: sparse: Using plain integer as NULL pointer

[android-common:android14-6.1 7/7] drivers/usb/host/xhci-mem.c:391:16: sparse: sparse: Using plain integer as NULL pointer

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android14-6.1
head:   c0665c721df9b82c4652604d24aa91456058230b
commit: 90ab8e7f988d4bb2ceae033e4ea423e009459405 [7/7] ANDROID: usb: host: add xhci hooks for USB offload
config: arm64-randconfig-r122-20260324 (https://download.01.org/0day-ci/archive/20260324/202603241400.14Ls3dsd-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 10.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260324/202603241400.14Ls3dsd-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/202603241400.14Ls3dsd-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/usb/host/xhci-mem.c:391:16: sparse: sparse: Using plain integer as NULL pointer
   drivers/usb/host/xhci-mem.c:1921:16: sparse: sparse: Using plain integer as NULL pointer

vim +391 drivers/usb/host/xhci-mem.c

   381	
   382	static struct xhci_ring *xhci_vendor_alloc_transfer_ring(struct xhci_hcd *xhci,
   383			u32 endpoint_type, enum xhci_ring_type ring_type,
   384			unsigned int max_packet, gfp_t mem_flags)
   385	{
   386		struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
   387	
   388		if (ops && ops->alloc_transfer_ring)
   389			return ops->alloc_transfer_ring(xhci, endpoint_type, ring_type,
   390					max_packet, mem_flags);
 > 391		return 0;
   392	}
   393	

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