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| author | Igor Mammedov <imammedo@redhat.com> | 2016-07-25 14:47:12 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-09-13 19:08:41 +0200 |
| commit | 3b8c1761f0e1523622e008836d01a6544b1c21ab (patch) | |
| tree | ea4fd8ce936246f7c0f41e1c899dba85149d4151 /include/qemu/queue.h | |
| parent | fa9701240951093907076db0943f96972a396ef5 (diff) | |
| download | focaccia-qemu-3b8c1761f0e1523622e008836d01a6544b1c21ab.tar.gz focaccia-qemu-3b8c1761f0e1523622e008836d01a6544b1c21ab.zip | |
qtail: clean up direct access to tqe_prev field
instead of accessing tqe_prev field dircetly outside of queue.h use macros to check if element is in list and make sure that afer element is removed from list tqe_prev field could be used to do the same check. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <1469450832-84343-1-git-send-email-imammedo@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/qemu/queue.h')
| -rw-r--r-- | include/qemu/queue.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/qemu/queue.h b/include/qemu/queue.h index c2b6c8149d..342073fb4d 100644 --- a/include/qemu/queue.h +++ b/include/qemu/queue.h @@ -407,6 +407,7 @@ struct { \ else \ (head)->tqh_last = (elm)->field.tqe_prev; \ *(elm)->field.tqe_prev = (elm)->field.tqe_next; \ + (elm)->field.tqe_prev = NULL; \ } while (/*CONSTCOND*/0) #define QTAILQ_FOREACH(var, head, field) \ @@ -430,6 +431,7 @@ struct { \ #define QTAILQ_EMPTY(head) ((head)->tqh_first == NULL) #define QTAILQ_FIRST(head) ((head)->tqh_first) #define QTAILQ_NEXT(elm, field) ((elm)->field.tqe_next) +#define QTAILQ_IN_USE(elm, field) ((elm)->field.tqe_prev != NULL) #define QTAILQ_LAST(head, headname) \ (*(((struct headname *)((head)->tqh_last))->tqh_last)) |