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| author | Donald Sharp <sharpd@cumulusnetworks.com> | 2017-10-05 16:51:01 +0200 |
|---|---|---|
| committer | Donald Sharp <sharpd@cumulusnetworks.com> | 2017-10-05 16:53:13 +0200 |
| commit | affe9e99831408960b8b6f8477506ed2874a05dd (patch) | |
| tree | a6f2f7a898fad5fcdc3f74b233095b6e8f6a2b46 /zebra/irdp_interface.c | |
| parent | Merge pull request #1244 from donaldsharp/flush_routes (diff) | |
| download | frr-affe9e99831408960b8b6f8477506ed2874a05dd.tar.xz frr-affe9e99831408960b8b6f8477506ed2874a05dd.zip | |
*: Convert list_delete(struct list *) to ** to allow nulling
Convert the list_delete(struct list *) function to use
struct list **. This is to allow the list pointer to be nulled.
I keep running into uses of this list_delete function where we
forget to set the returned pointer to NULL and attempt to use
it and then experience a crash, usually after the developer
has long since left the building.
Let's make the api explicit in it setting the list pointer
to null.
Cynical Prediction: This code will expose a attempt
to use the NULL'ed list pointer in some obscure bit
of code.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Diffstat (limited to 'zebra/irdp_interface.c')
| -rw-r--r-- | zebra/irdp_interface.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/zebra/irdp_interface.c b/zebra/irdp_interface.c index 0df03860d..8234ed6bd 100644 --- a/zebra/irdp_interface.c +++ b/zebra/irdp_interface.c @@ -311,8 +311,7 @@ static void irdp_if_stop(struct interface *ifp) irdp_advert_off(ifp); - list_delete(irdp->AdvPrefList); - irdp->AdvPrefList = NULL; + list_delete_and_null(&irdp->AdvPrefList); irdp->flags = 0; } |