tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ef6b35306dd8f15a7e5e5a2532e665917a43c5d9 commit: 0b27a15c23f17d6ca9a01505f38b477178fabb52 [3212/4147] fortify: Add Clang support config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20220205/202202052224.xLO5qlr0-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0b27a15c23f17d6ca9a01505f38b477178fabb52 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 0b27a15c23f17d6ca9a01505f38b477178fabb52 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/staging/r8188eu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/staging/r8188eu/os_dep/ioctl_linux.c:3430:17: sparse: sparse: cast removes address space '__user' of expression >> drivers/staging/r8188eu/os_dep/ioctl_linux.c:3431:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3431:31: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3431:31: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3433:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3433:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3433:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3435:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3435:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3435:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3437:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3437:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3437:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3439:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3439:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3439:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3442:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3442:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3442:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3444:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3444:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3444:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3447:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __user *pointer @@ drivers/staging/r8188eu/os_dep/ioctl_linux.c:3447:38: sparse: expected void const *const p drivers/staging/r8188eu/os_dep/ioctl_linux.c:3447:38: sparse: got void [noderef] __user *pointer drivers/staging/r8188eu/os_dep/ioctl_linux.c:3459:9: sparse: sparse: cast removes address space '__user' of expression vim +3431 drivers/staging/r8188eu/os_dep/ioctl_linux.c 2b42bd58b32155 Phillip Potter 2021-07-28 3420 2b42bd58b32155 Phillip Potter 2021-07-28 3421 static int rtw_p2p_get(struct net_device *dev, 2b42bd58b32155 Phillip Potter 2021-07-28 3422 struct iw_request_info *info, 2b42bd58b32155 Phillip Potter 2021-07-28 3423 union iwreq_data *wrqu, char *extra) 2b42bd58b32155 Phillip Potter 2021-07-28 3424 { 2b42bd58b32155 Phillip Potter 2021-07-28 3425 int ret = 0; 2b42bd58b32155 Phillip Potter 2021-07-28 3426 2b42bd58b32155 Phillip Potter 2021-07-28 3427 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); 2b42bd58b32155 Phillip Potter 2021-07-28 3428 2b42bd58b32155 Phillip Potter 2021-07-28 3429 if (padapter->bShowGetP2PState) 2b42bd58b32155 Phillip Potter 2021-07-28 3430 DBG_88E("[%s] extra = %s\n", __func__, (char *)wrqu->data.pointer); 2b42bd58b32155 Phillip Potter 2021-07-28 @3431 if (!memcmp(wrqu->data.pointer, "status", 6)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3432 rtw_p2p_get_status(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3433 } else if (!memcmp(wrqu->data.pointer, "role", 4)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3434 rtw_p2p_get_role(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3435 } else if (!memcmp(wrqu->data.pointer, "peer_ifa", 8)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3436 rtw_p2p_get_peer_ifaddr(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3437 } else if (!memcmp(wrqu->data.pointer, "req_cm", 6)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3438 rtw_p2p_get_req_cm(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3439 } else if (!memcmp(wrqu->data.pointer, "peer_deva", 9)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3440 /* Get the P2P device address when receiving the provision discovery request frame. */ 2b42bd58b32155 Phillip Potter 2021-07-28 3441 rtw_p2p_get_peer_devaddr(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3442 } else if (!memcmp(wrqu->data.pointer, "group_id", 8)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3443 rtw_p2p_get_groupid(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3444 } else if (!memcmp(wrqu->data.pointer, "peer_deva_inv", 9)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3445 /* Get the P2P device address when receiving the P2P Invitation request frame. */ 2b42bd58b32155 Phillip Potter 2021-07-28 3446 rtw_p2p_get_peer_devaddr_by_invitation(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3447 } else if (!memcmp(wrqu->data.pointer, "op_ch", 5)) { 2b42bd58b32155 Phillip Potter 2021-07-28 3448 rtw_p2p_get_op_ch(dev, info, wrqu, extra); 2b42bd58b32155 Phillip Potter 2021-07-28 3449 } 2b42bd58b32155 Phillip Potter 2021-07-28 3450 return ret; 2b42bd58b32155 Phillip Potter 2021-07-28 3451 } 2b42bd58b32155 Phillip Potter 2021-07-28 3452 :::::: The code at line 3431 was first introduced by commit :::::: 2b42bd58b32155a1be4dd78991845dec05aaef9e staging: r8188eu: introduce new os_dep dir for RTL8188eu driver :::::: TO: Phillip Potter <phil@xxxxxxxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
