提交 c396fe7f 编写于 作者: W 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: NLuc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: NWill Deacon <will.deacon@arm.com>
上级 5771a8c0
......@@ -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" \
......
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