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Make skb_destructor debug conditional, even within IEEE80211_DEBUG_REFCNT you need IEEE80211_DEBUG_REFCNT_SKBDEST now... until I figure it out. Reports of problems with aircrack-ng injection.

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git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@2972 0192ed92-7a03-0410-a25b-9323aeb14dbd
This commit is contained in:
mtaylor 2007-11-26 07:58:30 +00:00
parent 573cc60660
commit 369b43180b
1 changed files with 9 additions and 0 deletions
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9
net80211/ieee80211_skb.c
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@ -157,7 +157,9 @@ print_skb_trackchange_message(
/* Called automatically when an SKB reaches zero users,
* reporting any leaked node references. */
#ifdef IEEE80211_DEBUG_REFCNT_SKBDEST
static void skb_destructor(struct sk_buff* skb);
#endif
static void get_skb_description(char *dst, int dst_size, const char* label, const struct sk_buff *skb, int users_adjustment);
static struct sk_buff *
@ -191,6 +193,8 @@ ref_skb(struct sk_buff *skb,
const char* func1, int line1,
const char* func2, int line2);
#ifdef IEEE80211_DEBUG_REFCNT_SKBDEST
/* Destructor for reporting node reference leaks */
static void skb_destructor(struct sk_buff* skb) {
/* Report any node reference leaks - caused by kernel net device queue
@ -207,6 +211,7 @@ static void skb_destructor(struct sk_buff* skb) {
}
}
EXPORT_SYMBOL(skb_destructor);
#endif /* #ifdef IEEE80211_DEBUG_REFCNT_SKBDEST */
static void get_skb_description(char *dst, int dst_size, const char* label, const struct sk_buff *skb, int users_adjustment) {
dst[0] = '\0';
@ -297,11 +302,13 @@ track_skb(struct sk_buff *skb, int users_adjustment,
print_skb_trackchange_message(skb, users_adjustment,
func1, line1, func2, line2,
" is now ** TRACKED **");
#ifdef IEEE80211_DEBUG_REFCNT_SKBDEST
/* Install our debug destructor, chaining to the original... */
if (skb->destructor != skb_destructor) {
SKB_CB(skb)->next_destructor = skb->destructor;
skb->destructor = skb_destructor;
}
#endif /* #ifdef IEEE80211_DEBUG_REFCNT_SKBDEST */
return skb;
}
@ -332,11 +339,13 @@ untrack_skb(struct sk_buff *skb, int users_adjustment,
atomic_dec(&skb_total_counter);
atomic_dec(&skb_refs_counter);
SKB_CB(skb)->tracked = 0;
#ifdef IEEE80211_DEBUG_REFCNT_SKBDEST
/* Uninstall our debug destructor, restoring any original... */
if (skb->destructor == skb_destructor) {
skb->destructor = SKB_CB(skb)->next_destructor;
SKB_CB(skb)->next_destructor = NULL;
}
#endif /* #ifdef IEEE80211_DEBUG_REFCNT_SKBDEST */
print_skb_trackchange_message(skb, users_adjustment,
func1, line1, func2, line2,
" is now ** UNTRACKED **");