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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-09-12 18:40:00 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-09-25 09:36:16 +0200 |
| commit | 5ac751d9e6b187c4a0000879d6598eb2292db949 (patch) | |
| tree | 3fdcbb732c501fa8d371a2843e0aadc8dc6f739b | |
| parent | x86/sysfs: Fix off-by-one error in loop termination (diff) | |
| download | linux-5ac751d9e6b187c4a0000879d6598eb2292db949.tar.xz linux-5ac751d9e6b187c4a0000879d6598eb2292db949.zip | |
x86: Don't cast away the __user in __get_user_asm_u64()
Don't cast away the __user in __get_user_asm_u64() on x86-32.
Prevents sparse getting upset.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20170912164000.13745-1-ville.syrjala@linux.intel.com
| -rw-r--r-- | arch/x86/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 78e8fcc87d4c..4b892917edeb 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -337,7 +337,7 @@ do { \ _ASM_EXTABLE(1b, 4b) \ _ASM_EXTABLE(2b, 4b) \ : "=r" (retval), "=&A"(x) \ - : "m" (__m(__ptr)), "m" __m(((u32 *)(__ptr)) + 1), \ + : "m" (__m(__ptr)), "m" __m(((u32 __user *)(__ptr)) + 1), \ "i" (errret), "0" (retval)); \ }) |