diff options
| author |   Al Viro <viro@zeniv.linux.org.uk> | 2020-05-22 15:23:21 +0100 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2020-05-22 16:59:49 +0100 |
| commit | 8cfb347ad0cffdbfc69c82506fb3be9429563211 (patch) | |
| tree | 68572474dac4176aab8a86a63b11a03a8f57e005 /arch | |
| parent | arm64: Fix PTRACE_SYSEMU semantics (diff) | |
| download | linux-dev-8cfb347ad0cffdbfc69c82506fb3be9429563211.tar.xz linux-dev-8cfb347ad0cffdbfc69c82506fb3be9429563211.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index 32fc8061aa76..bc5c7b091152 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -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) |