Commit c396fe7f authored Jul 03, 2017 by Will Deacon

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>

parent 5771a8c0

arch/arm64/include/asm/uaccess.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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" \