tree: git://linuxtv.org/media_tree.git master
head: 343b23a7c6b6680ef949e6112a4ee60688acf39d
commit: f863ce990030cfc5a57a490b4613be4a523ffce1 [247/250] media: dvb: get rid of VIDEO_SET_SPU_PALETTE
config: mips-fuloong2e_defconfig (attached as .config)
compiler: mips64el-linux-gnuabi64-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout f863ce990030cfc5a57a490b4613be4a523ffce1
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=mips
All warnings (new ones prefixed by >>):
fs/compat_ioctl.c: In function 'do_video_set_spu_palette':
fs/compat_ioctl.c:218:45: error: invalid application of 'sizeof' to incomplete type 'struct video_spu_palette'
up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
^~~~~~
In file included from include/linux/uaccess.h:14:0,
from include/linux/compat.h:19,
from fs/compat_ioctl.c:17:
fs/compat_ioctl.c:219:46: error: dereferencing pointer to incomplete type 'struct video_spu_palette'
err = put_user(compat_ptr(palp), &up_native->palette);
^
arch/mips/include/asm/uaccess.h:444:15: note: in definition of macro '__put_user_check'
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
^~~
fs/compat_ioctl.c:219:9: note: in expansion of macro 'put_user'
err = put_user(compat_ptr(palp), &up_native->palette);
^~~~~~~~
>> arch/mips/include/asm/uaccess.h:445:32: warning: initialization makes integer from pointer without a cast [-Wint-conversion]
__typeof__(*(ptr)) __pu_val = (x); \
^
>> arch/mips/include/asm/uaccess.h:158:2: note: in expansion of macro '__put_user_check'
__put_user_check((x), (ptr), sizeof(*(ptr)))
^~~~~~~~~~~~~~~~
fs/compat_ioctl.c:219:9: note: in expansion of macro 'put_user'
err = put_user(compat_ptr(palp), &up_native->palette);
^~~~~~~~
At top level:
fs/compat_ioctl.c:206:12: warning: 'do_video_set_spu_palette' defined but not used [-Wunused-function]
static int do_video_set_spu_palette(struct file *file,
^~~~~~~~~~~~~~~~~~~~~~~~
vim +445 arch/mips/include/asm/uaccess.h
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 441
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 442 #define __put_user_check(x, ptr, size) \
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 443 ({ \
fe00f943 include/asm-mips/uaccess.h Ralf Baechle 2005-03-01 @444 __typeof__(*(ptr)) __user *__pu_addr = (ptr); \
fe00f943 include/asm-mips/uaccess.h Ralf Baechle 2005-03-01 @445 __typeof__(*(ptr)) __pu_val = (x); \
8d2d91e8 include/asm-mips/uaccess.h Ralf Baechle 2008-10-11 446 int __pu_err = -EFAULT; \
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 447 \
ef41f460 arch/mips/include/asm/uaccess.h Ralf Baechle 2009-04-28 448 might_fault(); \
ac1d8590 arch/mips/include/asm/uaccess.h Markos Chandras 2013-12-11 449 if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
12060666 arch/mips/include/asm/uaccess.h Paul Burton 2015-05-24 450 if (eva_kernel_access()) \
ac1d8590 arch/mips/include/asm/uaccess.h Markos Chandras 2013-12-11 451 __put_kernel_common(__pu_addr, size); \
ac1d8590 arch/mips/include/asm/uaccess.h Markos Chandras 2013-12-11 452 else \
ec56b1d4 arch/mips/include/asm/uaccess.h Markos Chandras 2013-12-17 453 __put_user_common(__pu_addr, size); \
ac1d8590 arch/mips/include/asm/uaccess.h Markos Chandras 2013-12-11 454 } \
ec56b1d4 arch/mips/include/asm/uaccess.h Markos Chandras 2013-12-17 455 \
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 456 __pu_err; \
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 457 })
^1da177e include/asm-mips/uaccess.h Linus Torvalds 2005-04-16 458
:::::: The code at line 445 was first introduced by commit
:::::: fe00f943e0ef98b4057abcc2940d631a975b43cd Sparseify MIPS.
:::::: TO: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
:::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
---
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