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Slightly tidier way of managing SKBs

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git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3672 0192ed92-7a03-0410-a25b-9323aeb14dbd
This commit is contained in:
mentor 2008-05-22 15:13:19 +00:00
parent 18682f3d29
commit 2e5d81996e
1 changed files with 8 additions and 10 deletions
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18
ath/if_ath.c
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@ -6504,7 +6504,7 @@ ath_rx_tasklet(TQUEUE_ARG data)
struct ath_desc *ds;
struct ath_rx_status *rs;
struct ieee80211_node *ni;
struct sk_buff* skb;
struct sk_buff* skb = NULL;
unsigned int len, phyerr, mic_fail = 0;
int type = -1; /* undefined */
int init_ret = 0;
@ -6629,17 +6629,15 @@ rx_accept:
/* Finished monitor mode handling, now reject error frames
* before passing to other VAPs. Ignore MIC failures here, as
* we need to recheck them. */
if (rs->rs_status & ~(HAL_RXERR_MIC | HAL_RXERR_DECRYPT)) {
ieee80211_dev_kfree_skb(&skb);
if (rs->rs_status & ~(HAL_RXERR_MIC | HAL_RXERR_DECRYPT))
goto rx_next;
}
/* Remove the CRC. */
skb_trim(skb, skb->len - IEEE80211_CRC_LEN);
if (mic_fail) {
struct ieee80211_frame *frm = (struct ieee80211_frame *)
skb->data;
struct ieee80211_frame *frm =
(struct ieee80211_frame *)skb->data;
/* Ignore control frames which are reported with MIC
* error. */
if ((frm->i_fc[0] & IEEE80211_FC0_TYPE_MASK) !=
@ -6654,8 +6652,6 @@ rx_accept:
}
mic_fail = 0;
ieee80211_dev_kfree_skb(&skb);
goto rx_next;
}
@ -6666,7 +6662,6 @@ rx_accept:
len);
sc->sc_stats.ast_rx_tooshort++;
errors++;
ieee80211_dev_kfree_skb(&skb);
goto rx_next;
}
@ -6736,7 +6731,7 @@ rx_accept:
type = ieee80211_input_all(ic, skb,
rs->rs_rssi, bf->bf_tsf);
}
skb = NULL;
skb = NULL; /* SKB is no longer ours. */
if (sc->sc_diversity) {
/* When using hardware fast diversity, change the default RX
@ -6761,6 +6756,9 @@ rx_accept:
ath_led_event(sc, ATH_LED_POLL);
}
rx_next:
/* SKBs that have not in a buf, and are not passed on. */
ieee80211_dev_kfree_skb(&skb);
KASSERT(bf != NULL, ("null bf"));
if ((init_ret = ath_rxbuf_init(sc, bf)) != 0) {