diff options
| author | hare@suse.de <hare@suse.de> | 2004-03-31 22:56:45 -0800 |
|---|---|---|
| committer | Greg KH <gregkh@suse.de> | 2005-04-26 21:35:13 -0700 |
| commit | 0536819cca9468cf383807037dbaa5ad0d48b60f (patch) | |
| tree | ac351b9d34efa2ee012499ceb2129d3e7b1ede13 /libsysfs/dlist.c | |
| parent | 0bcdc8498cdeaaef37444d38f39a19ff9557914d (diff) | |
[PATCH] fix SEGV in libsysfs/dlist.c
Hi all, Greg,
libsysfs/dlist.c: _dlist_mark_move()
is missing checks for empty lists and may (and indeed, does) crash when=20
called with empty dlists.
Diffstat (limited to 'libsysfs/dlist.c')
| -rw-r--r-- | libsysfs/dlist.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libsysfs/dlist.c b/libsysfs/dlist.c index 942eccb48c..b440d65bed 100644 --- a/libsysfs/dlist.c +++ b/libsysfs/dlist.c @@ -74,14 +74,14 @@ inline void *_dlist_mark_move(Dlist *list,int direction) { if(direction) { - if( list->marker->next!=NULL) + if( list->marker && list->marker->next!=NULL) list->marker=list->marker->next; else return(NULL); } else { - if( list->marker->prev!=NULL) + if( list->marker && list->marker->prev!=NULL) list->marker=list->marker->prev; else return(NULL); |