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authorAvinash Patil <patila@marvell.com>2011-12-09 04:41:04 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2011-12-13 20:33:23 (GMT)
commit17a60b48193f32ab0c87e0d57df6ab408fbe9bca (patch)
tree683a93a02bf058f2d5a11fe39455a66ae5f041ae /drivers
parent8c53e42dea5905aee2a97e6af5874432f27b5c03 (diff)
downloadlinux-fsl-qoriq-17a60b48193f32ab0c87e0d57df6ab408fbe9bca.tar.xz
mwifiex: proper cleanup when RX multiport aggregation fails
Free SKBs allocated during multiport aggrgation setup when RX multiport aggregation fails in the middle. With this handling freeing SKB in mwifiex_process_int_status() for failure case is removed. Also handles single RX transaction failure. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/mwifiex/sdio.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 702452b..d39d845 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1087,7 +1087,7 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter,
(adapter->ioport | 0x1000 |
(card->mpa_rx.ports << 4)) +
card->mpa_rx.start_port, 1))
- return -1;
+ goto error;
curr_ptr = card->mpa_rx.buf;
@@ -1130,12 +1130,29 @@ rx_curr_single:
if (mwifiex_sdio_card_to_host(adapter, &pkt_type,
skb->data, skb->len,
adapter->ioport + port))
- return -1;
+ goto error;
mwifiex_decode_rx_packet(adapter, skb, pkt_type);
}
return 0;
+
+error:
+ if (MP_RX_AGGR_IN_PROGRESS(card)) {
+ /* Multiport-aggregation transfer failed - cleanup */
+ for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) {
+ /* copy pkt to deaggr buf */
+ skb_deaggr = card->mpa_rx.skb_arr[pind];
+ dev_kfree_skb_any(skb_deaggr);
+ }
+ MP_RX_AGGR_BUF_RESET(card);
+ }
+
+ if (f_do_rx_cur)
+ /* Single transfer pending. Free curr buff also */
+ dev_kfree_skb_any(skb);
+
+ return -1;
}
/*
@@ -1271,7 +1288,6 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
dev_dbg(adapter->dev,
"info: CFG reg val =%x\n", cr);
- dev_kfree_skb_any(skb);
return -1;
}
}