From c6432d6bab26d605ff0bdc0319ca57e60253a445 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Thu, 5 Nov 2020 12:02:10 -0500 Subject: bcachefs: Delete memcpy() macro This checks for overlapping src and dst in debug mode (i.e. should have used memmove) - kasan should be checking for this now. Signed-off-by: Kent Overstreet --- fs/bcachefs/util.h | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index f48c6380684f..6e5335440b4b 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -37,17 +37,6 @@ struct closure; #define atomic64_sub_bug(i, v) BUG_ON(atomic64_sub_return(i, v) < 0) #define atomic64_add_bug(i, v) BUG_ON(atomic64_add_return(i, v) < 0) -#define memcpy(dst, src, len) \ -({ \ - void *_dst = (dst); \ - const void *_src = (src); \ - size_t _len = (len); \ - \ - BUG_ON(!((void *) (_dst) >= (void *) (_src) + (_len) || \ - (void *) (_dst) + (_len) <= (void *) (_src))); \ - memcpy(_dst, _src, _len); \ -}) - #else /* DEBUG */ #define EBUG_ON(cond) -- cgit v1.2.3