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ANDROID: Four part re-add of asm-goto usage [4/4]

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Re-add "x86/uaccess: Dont leak the AC flag into __put_user() argument evaluation"
This reverts commit 2c7164851e.

Bug: 120440614
Bug: 132629930
Signed-off-by: Ram Muthiah <rammuthiah@google.com>
Change-Id: I74ea8dcb2f5c3661dc1657eb53872375aa9e6753
This commit is contained in:
Ram Muthiah
2019-10-16 16:17:49 -07:00
parent 265694b7ec
commit 5a7b085e71
1 changed files with 4 additions and 3 deletions
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7
arch/x86/include/asm/uaccess.h
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@@ -429,10 +429,11 @@ do { \
({ \
__label__ __pu_label; \
int __pu_err = -EFAULT; \
__typeof__(*(ptr)) __pu_val; \
__pu_val = x; \
__typeof__(*(ptr)) __pu_val = (x); \
__typeof__(ptr) __pu_ptr = (ptr); \
__typeof__(size) __pu_size = (size); \
__uaccess_begin(); \
__put_user_size(__pu_val, (ptr), (size), __pu_label); \
__put_user_size(__pu_val, __pu_ptr, __pu_size, __pu_label); \
__pu_err = 0; \
__pu_label: \
__uaccess_end(); \