git: 7963d46bb8cb - stable/12 - sys/queue.h: move trashing from SLIST_REMOVE to REMOVE_AFTER, REMOVE_HEAD
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Date: Wed, 29 Dec 2021 08:22:57 UTC
The branch stable/12 has been updated by avg: URL: https://cgit.FreeBSD.org/src/commit/?id=7963d46bb8cbe709c61081f7bf24093f1160b240 commit 7963d46bb8cbe709c61081f7bf24093f1160b240 Author: Andriy Gapon <avg@FreeBSD.org> AuthorDate: 2021-12-15 11:27:49 +0000 Commit: Andriy Gapon <avg@FreeBSD.org> CommitDate: 2021-12-29 08:22:52 +0000 sys/queue.h: move trashing from SLIST_REMOVE to REMOVE_AFTER, REMOVE_HEAD SLIST_REMOVE calls either REMOVE_AFTER or REMOVE_HEAD to do the job. But those two macros can be used independently as well. (cherry picked from commit 5dab06a003189ebb017810bdbf3b3c2f074afd3e) --- sys/sys/queue.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sys/sys/queue.h b/sys/sys/queue.h index 5e12299e01c6..d4eab4642992 100644 --- a/sys/sys/queue.h +++ b/sys/sys/queue.h @@ -275,7 +275,6 @@ struct { \ #define SLIST_NEXT(elm, field) ((elm)->field.sle_next) #define SLIST_REMOVE(head, elm, type, field) do { \ - QMD_SAVELINK(oldnext, (elm)->field.sle_next); \ if (SLIST_FIRST((head)) == (elm)) { \ SLIST_REMOVE_HEAD((head), field); \ } \ @@ -285,16 +284,19 @@ struct { \ curelm = SLIST_NEXT(curelm, field); \ SLIST_REMOVE_AFTER(curelm, field); \ } \ - TRASHIT(*oldnext); \ } while (0) #define SLIST_REMOVE_AFTER(elm, field) do { \ + QMD_SAVELINK(oldnext, SLIST_NEXT(elm, field)->field.sle_next); \ SLIST_NEXT(elm, field) = \ SLIST_NEXT(SLIST_NEXT(elm, field), field); \ + TRASHIT(*oldnext); \ } while (0) #define SLIST_REMOVE_HEAD(head, field) do { \ + QMD_SAVELINK(oldnext, SLIST_FIRST(head)->field.sle_next); \ SLIST_FIRST((head)) = SLIST_NEXT(SLIST_FIRST((head)), field); \ + TRASHIT(*oldnext); \ } while (0) #define SLIST_REMOVE_PREVPTR(prevp, elm, field) do { \