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ath9k: move the max rx buffer size check to ath9k_rx_accept() 

While at it flip the order, seems easier to read and also
add some better description as to why we do this check.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-11-04 15:11:05 -08:00 committed by John W. Linville
parent dd849782a7
commit 2c74aa4d73
1 changed files with 7 additions and 4 deletions
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11
drivers/net/wireless/ath/ath9k/recv.c
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@ -105,6 +105,13 @@ static bool ath9k_rx_accept(struct ath_common *common,
if (!rx_stats->rs_datalen)
return false;
/*
* rs_status follows rs_datalen so if rs_datalen is too large
* we can take a hint that hardware corrupted it, so ignore
* those frames.
*/
if (rx_stats->rs_datalen > common->rx_bufsize)
return false;
if (rx_stats->rs_more) {
/*
@ -801,10 +808,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
if (flush)
goto requeue;
/* The status portion of the descriptor could get corrupted. */
if (common->rx_bufsize < rx_stats->rs_datalen)
goto requeue;
if (!ath_rx_prepare(common, hw, skb, rx_stats,
rxs, &decrypt_error))
goto requeue;