Commit b4f91664 authored May 02, 2019 by Atul Gupta Committed by Herbert Xu May 09, 2019

crypto: chelsio - Fix NULL pointer dereference



Do not request FW to generate cidx update if there is less
space in tx queue to post new request.
SGE DBP 1 pidx increment too large
BUG: unable to handle kernel NULL pointer dereference at
0000000000000124
SGE error for queue 101

Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent e59f755c

drivers/crypto/chelsio/chcr_ipsec.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -575,6 +575,7 @@ inline void chcr_crypto_wreq(struct sk_buff skb,
		if (unlikely(credits < ETHTXQ_STOP_THRES)) {
		netif_tx_stop_queue(q->txq);
		q->q.stops++;
		if (!q->dbqt)
		wr_mid \|= FW_WR_EQUEQ_F \| FW_WR_EQUIQ_F;
		}
		wr_mid \|= FW_ULPTX_WR_DATA_F;

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