UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86/fpu/xsave: Keep __user annotation in casts 

Don't remove the __user annotation of the fpstate pointer, but
drop the superfluous void * cast instead.

This fixes the following sparse warnings:

  xsave.c:135:15: warning: cast removes address space of expression
  xsave.c:135:15: warning: incorrect type in argument 1 (different address spaces)
  xsave.c:135:15:    expected void const volatile [noderef] <asn:1>*<noident>
  [...]

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1346621506-30857-6-git-send-email-minipli@googlemail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Mathias Krause 2012-09-02 23:31:44 +02:00 committed by Ingo Molnar
parent 04d695a682
commit 5c7d03e99c
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/xsave.c
View File

@ -132,7 +132,7 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf,
fx_sw_user->xstate_size > fx_sw_user->extended_size)
return -EINVAL;
err = __get_user(magic2, (__u32 *) (((void *)fpstate) +
err = __get_user(magic2, (__u32 __user *) (fpstate +
fx_sw_user->extended_size -
FP_XSTATE_MAGIC2_SIZE));
if (err)