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>
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 32fc8061..bc5c7b0 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -304,7 +304,7 @@
__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)
