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Date: Fri, 2 Sep 2022 16:27:10 +0800
From: kernel test robot <lkp@...el.com>
To: Al Viro <viro@...iv.linux.org.uk>
Cc: kbuild-all@...ts.01.org, Ammar Faizi <ammarfaizi2@...weeb.org>,
GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
linux-kernel@...r.kernel.org
Subject: [ammarfaizi2-block:viro/vfs/next.tty 8/8]
arch/parisc/include/asm/uaccess.h:89:15: warning: assignment to 'void *'
from 'unsigned int' makes pointer from integer without a cast
tree: https://github.com/ammarfaizi2/linux-block viro/vfs/next.tty
head: 6890ade9a0f2c360dbc86f39afc1ef852f4a83c6
commit: 6890ade9a0f2c360dbc86f39afc1ef852f4a83c6 [8/8] saner tty_mode_ioctl() prototype
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20220902/202209021628.FSjVTR8L-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/ammarfaizi2/linux-block/commit/6890ade9a0f2c360dbc86f39afc1ef852f4a83c6
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block viro/vfs/next.tty
git checkout 6890ade9a0f2c360dbc86f39afc1ef852f4a83c6
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from drivers/tty/tty_ioctl.c:13:
drivers/tty/tty_ioctl.c: In function 'tty_mode_ioctl':
>> arch/parisc/include/asm/uaccess.h:89:15: warning: assignment to 'void *' from 'unsigned int' makes pointer from integer without a cast [-Wint-conversion]
89 | (val) = (__force __typeof__(*(ptr))) __gu_val; \
| ^
arch/parisc/include/asm/uaccess.h:64:17: note: in expansion of macro '__get_user_asm'
64 | case 1: __get_user_asm(sr, val, "ldb", ptr); break; \
| ^~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:76:9: note: in expansion of macro '__get_user_internal'
76 | __get_user_internal(SR_USER, val, ptr); \
| ^~~~~~~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:19:18: note: in expansion of macro '__get_user'
19 | #define get_user __get_user
| ^~~~~~~~~~
drivers/tty/tty_ioctl.c:879:21: note: in expansion of macro 'get_user'
879 | if (get_user(arg, (unsigned int __user *) arg))
| ^~~~~~~~
>> arch/parisc/include/asm/uaccess.h:89:15: warning: assignment to 'void *' from 'unsigned int' makes pointer from integer without a cast [-Wint-conversion]
89 | (val) = (__force __typeof__(*(ptr))) __gu_val; \
| ^
arch/parisc/include/asm/uaccess.h:65:17: note: in expansion of macro '__get_user_asm'
65 | case 2: __get_user_asm(sr, val, "ldh", ptr); break; \
| ^~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:76:9: note: in expansion of macro '__get_user_internal'
76 | __get_user_internal(SR_USER, val, ptr); \
| ^~~~~~~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:19:18: note: in expansion of macro '__get_user'
19 | #define get_user __get_user
| ^~~~~~~~~~
drivers/tty/tty_ioctl.c:879:21: note: in expansion of macro 'get_user'
879 | if (get_user(arg, (unsigned int __user *) arg))
| ^~~~~~~~
>> arch/parisc/include/asm/uaccess.h:89:15: warning: assignment to 'void *' from 'unsigned int' makes pointer from integer without a cast [-Wint-conversion]
89 | (val) = (__force __typeof__(*(ptr))) __gu_val; \
| ^
arch/parisc/include/asm/uaccess.h:66:17: note: in expansion of macro '__get_user_asm'
66 | case 4: __get_user_asm(sr, val, "ldw", ptr); break; \
| ^~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:76:9: note: in expansion of macro '__get_user_internal'
76 | __get_user_internal(SR_USER, val, ptr); \
| ^~~~~~~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:19:18: note: in expansion of macro '__get_user'
19 | #define get_user __get_user
| ^~~~~~~~~~
drivers/tty/tty_ioctl.c:879:21: note: in expansion of macro 'get_user'
879 | if (get_user(arg, (unsigned int __user *) arg))
| ^~~~~~~~
arch/parisc/include/asm/uaccess.h:122:15: warning: assignment to 'void *' from 'unsigned int' makes pointer from integer without a cast [-Wint-conversion]
122 | (val) = __gu_tmp.t; \
| ^
arch/parisc/include/asm/uaccess.h:22:33: note: in expansion of macro '__get_user_asm64'
22 | #define LDD_USER(sr, val, ptr) __get_user_asm64(sr, val, ptr)
| ^~~~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:67:17: note: in expansion of macro 'LDD_USER'
67 | case 8: LDD_USER(sr, val, ptr); break; \
| ^~~~~~~~
arch/parisc/include/asm/uaccess.h:76:9: note: in expansion of macro '__get_user_internal'
76 | __get_user_internal(SR_USER, val, ptr); \
| ^~~~~~~~~~~~~~~~~~~
arch/parisc/include/asm/uaccess.h:19:18: note: in expansion of macro '__get_user'
19 | #define get_user __get_user
| ^~~~~~~~~~
drivers/tty/tty_ioctl.c:879:21: note: in expansion of macro 'get_user'
879 | if (get_user(arg, (unsigned int __user *) arg))
| ^~~~~~~~
drivers/tty/tty_ioctl.c:881:53: warning: passing argument 2 of 'tty_change_softcar' makes integer from pointer without a cast [-Wint-conversion]
881 | return tty_change_softcar(real_tty, arg);
| ^~~
| |
| void *
drivers/tty/tty_ioctl.c:734:59: note: expected 'int' but argument is of type 'void *'
734 | static int tty_change_softcar(struct tty_struct *tty, int arg)
| ~~~~^~~
vim +89 arch/parisc/include/asm/uaccess.h
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 78
671028728083e8 arch/parisc/include/asm/uaccess.h Helge Deller 2021-09-09 79 #define __get_user_asm(sr, val, ldx, ptr) \
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 80 { \
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 81 register long __gu_val; \
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 82 \
5613a930857ecf arch/parisc/include/asm/uaccess.h Helge Deller 2022-02-16 83 __asm__("1: " ldx " 0(%%sr%2,%3),%0\n" \
d19f5e41b344a0 arch/parisc/include/asm/uaccess.h Helge Deller 2017-03-25 84 "9:\n" \
d19f5e41b344a0 arch/parisc/include/asm/uaccess.h Helge Deller 2017-03-25 85 ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
dbd0b42350d571 arch/parisc/include/asm/uaccess.h Helge Deller 2022-02-13 86 : "=r"(__gu_val), "+r"(__gu_err) \
5613a930857ecf arch/parisc/include/asm/uaccess.h Helge Deller 2022-02-16 87 : "i"(sr), "r"(ptr)); \
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 88 \
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 @89 (val) = (__force __typeof__(*(ptr))) __gu_val; \
3f795cef0ecdf9 arch/parisc/include/asm/uaccess.h Helge Deller 2017-04-16 90 }
^1da177e4c3f41 include/asm-parisc/uaccess.h Linus Torvalds 2005-04-16 91
:::::: The code at line 89 was first introduced by commit
:::::: 3f795cef0ecdf9bc980dd058d49bdab4b19af1d3 parisc: Fix get_user() for 64-bit value on 32-bit kernel
:::::: TO: Helge Deller <deller@....de>
:::::: CC: Helge Deller <deller@....de>
--
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