tree: git://linuxtv.org/media_tree.git master
head: 3d3515312f97582136644a7327ed262c7bb7ea31
commit: f49308878d7202e07d8761238e01bd0e5fce2750 [51/52] media: media_device_enum_links32: clean a reserved field
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-rc1-7-g2b96cd8-dirty
git checkout f49308878d7202e07d8761238e01bd0e5fce2750
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
sparse warnings: (new ones prefixed by >>)
>> drivers/media/media-device.c:521:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *s @@ got unsigned int [noderef] <asvoid *s @@
>> drivers/media/media-device.c:521:9: sparse: expected void *s
>> drivers/media/media-device.c:521:9: sparse: got unsigned int [noderef] <asn:1> *
vim +521 drivers/media/media-device.c
499
500 static long media_device_enum_links32(struct media_device *mdev,
501 struct media_links_enum32 __user *ulinks)
502 {
503 struct media_links_enum links;
504 compat_uptr_t pads_ptr, links_ptr;
505 int ret;
506
507 memset(&links, 0, sizeof(links));
508
509 if (get_user(links.entity, &ulinks->entity)
510 || get_user(pads_ptr, &ulinks->pads)
511 || get_user(links_ptr, &ulinks->links))
512 return -EFAULT;
513
514 links.pads = compat_ptr(pads_ptr);
515 links.links = compat_ptr(links_ptr);
516
517 ret = media_device_enum_links(mdev, &links);
518 if (ret)
519 return ret;
520
> 521 memset(ulinks->reserved, 0, sizeof(ulinks->reserved));
522
523 return 0;
524 }
525
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
