Commit 8cfb347a authored May 22, 2020 by Al Viro Committed by Catalin Marinas May 22, 2020

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>

parent 1cf6022b

arch/arm64/include/asm/uaccess.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)

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