فهرست منبع

arm64: uaccess: Remove redundant __force from addr cast in __range_ok

Casting a pointer to an integral type doesn't require a __force
attribute, because you'll need to cast back to a pointer in order to
dereference the thing anyway.

This patch removes the redundant __force cast from __range_ok.

Reported-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Will Deacon 8 سال پیش
والد
کامیت
c396fe7f0c
1فایلهای تغییر یافته به همراه1 افزوده شده و 1 حذف شده
  1. 1 1
      arch/arm64/include/asm/uaccess.h

+ 1 - 1
arch/arm64/include/asm/uaccess.h

@@ -69,7 +69,7 @@ static inline void set_fs(mm_segment_t fs)
  */
 #define __range_ok(addr, size)						\
 ({									\
-	unsigned long __addr = (unsigned long __force)(addr);		\
+	unsigned long __addr = (unsigned long)(addr);			\
 	unsigned long flag, roksum;					\
 	__chk_user_ptr(addr);						\
 	asm("adds %1, %1, %3; ccmp %1, %4, #2, cc; cset %0, ls"		\