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ANDROID: Incremental fs: fix u64 integer cast to pointer

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Compiler (arm-linux-gnueabihf-gcc 8.3.0) complains about an invalid cast
of an __aligned_u64 integer to a pointer on 32-bit architectures. Using
u64_to_user_ptr() for the cast fixes the following warning:

fs/incfs/pseudo_files.c: In function ‘ioctl_create_file’:
fs/incfs/pseudo_files.c:656:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  656 |          (u8 __user *)args.signature_info,
      |          ^

Bug: 183339614
Fixes: bc6a70e849 (ANDROID: Incremental fs: Remove signature checks from kernel)
Reported-by: kernelci.org bot <bot@kernelci.org>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Change-Id: I98a987fb83c160740796c0b4b3fdd7551880e12a
This commit is contained in:
Carlos Llamas 2021-04-15 23:27:49 +00:00 • committed by Paul Lawrence
commit 3d471f0108
1 changed files with 1 additions and 1 deletions
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fs/incfs/pseudo_files.c
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@ -652,7 +652,7 @@ static long ioctl_create_file(struct file *file,
/* Initializing a newly created file. */
error = init_new_file(mi, index_file_dentry, &args.file_id, args.size,
range(attr_value, args.file_attr_len),
(u8 __user *)args.signature_info,
u64_to_user_ptr(args.signature_info),
args.signature_size);
if (error)
goto out;