diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/include/grspw_pkt.h')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/include/grspw_pkt.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/include/grspw_pkt.h b/c/src/lib/libbsp/sparc/shared/include/grspw_pkt.h index ec0fe06d04..8277b87ae4 100644 --- a/c/src/lib/libbsp/sparc/shared/include/grspw_pkt.h +++ b/c/src/lib/libbsp/sparc/shared/include/grspw_pkt.h @@ -646,6 +646,9 @@ grspw_list_prepend(struct grspw_list *list, struct grspw_pkt *pkt) static inline void grspw_list_append_list(struct grspw_list *list, struct grspw_list *alist) { + if (grspw_list_is_empty(alist)) { + return; + } alist->tail->next = NULL; if ( list->tail == NULL ) { list->head = alist->head; @@ -658,6 +661,9 @@ grspw_list_append_list(struct grspw_list *list, struct grspw_list *alist) static inline void grspw_list_prepend_list(struct grspw_list *list, struct grspw_list *alist) { + if (grspw_list_is_empty(alist)) { + return; + } if ( list->head == NULL ) { list->tail = alist->tail; alist->tail->next = NULL; @@ -671,6 +677,9 @@ grspw_list_prepend_list(struct grspw_list *list, struct grspw_list *alist) static inline void grspw_list_remove_head_list(struct grspw_list *list, struct grspw_list *dlist) { + if (grspw_list_is_empty(dlist)) { + return; + } list->head = dlist->tail->next; if ( list->head == NULL ) { list->tail = NULL; |