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x86: Don't cast away the __user in __get_user_asm_u64() 

Don't cast away the __user in __get_user_asm_u64() on x86-32.
Prevents sparse getting upset.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20170912164000.13745-1-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2017-09-12 19:40:00 +03:00 committed by Thomas Gleixner
parent 7d7099433d
commit 5ac751d9e6
1 changed files with 1 additions and 1 deletions
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arch/x86/include/asm/uaccess.h
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@ -337,7 +337,7 @@ do { \
_ASM_EXTABLE(1b, 4b) \
_ASM_EXTABLE(2b, 4b) \
: "=r" (retval), "=&A"(x) \
: "m" (__m(__ptr)), "m" __m(((u32 *)(__ptr)) + 1), \
: "m" (__m(__ptr)), "m" __m(((u32 __user *)(__ptr)) + 1), \
"i" (errret), "0" (retval)); \
})