diff options
| author | Julian Wiedmann <jwi@linux.ibm.com> | 2020-02-20 15:54:56 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-20 10:30:47 -0800 |
| commit | 54a61fbc020fd2e305680871c453abcf7fc0339b (patch) | |
| tree | 8f3a001e656ec08d2279a6557ebfa08760250fcf | |
| parent | 420579dba126c6111b5a3dea062f21a7e4e647c6 (diff) | |
s390/qeth: fix off-by-one in RX copybreak check
The RX copybreak is intended as the _max_ value where the frame's data
should be copied. So for frame_len == copybreak, don't build an SG skb.
Fixes: 4a71df50047f ("qeth: new qeth device driver")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 2264c6619def..5efcaa43615b 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -5344,7 +5344,7 @@ next_packet: } use_rx_sg = (card->options.cq == QETH_CQ_ENABLED) || - ((skb_len >= card->options.rx_sg_cb) && + (skb_len > card->options.rx_sg_cb && !atomic_read(&card->force_alloc_skb) && !IS_OSN(card)); |