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arm64: Add get_user() type annotation on the !access_ok() path 

Sparse reports "Using plain integer as NULL pointer" when the arm64
__get_user_error() assigns 0 to a pointer type. Use proper type
annotation.

Signed-of-by: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: kbuild test robot <lkp@intel.com>
Link: http://lkml.kernel.org/r/20200522142321.GP23230@ZenIV.linux.org.uk
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Al Viro 2020-05-22 15:23:21 +01:00 committed by Catalin Marinas
parent 1cf6022bd9
commit 8cfb347ad0
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/include/asm/uaccess.h
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@ -304,7 +304,7 @@ do { \
__p = uaccess_mask_ptr(__p); \
__raw_get_user((x), __p, (err)); \
} else { \
(x) = 0; (err) = -EFAULT; \
(x) = (__force __typeof__(x))0; (err) = -EFAULT; \
} \
} while (0)