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authorSteve Wise <swise@opengridcomputing.com>2017-11-02 14:11:03 -0700
committerDoug Ledford <dledford@redhat.com>2017-11-13 15:01:25 -0500
commitba97b749979ef0ebb821e58ee8b16a84412922f6 (patch)
tree84f151ef1ef1931a5fc6512ea3fbce637770a4a9 /drivers/infiniband/hw/cxgb4/qp.c
parent063fb5bd1a01937094f40169a20e4aa5ca030db1 (diff)
downloadblackbird-obmc-linux-ba97b749979ef0ebb821e58ee8b16a84412922f6.tar.gz
blackbird-obmc-linux-ba97b749979ef0ebb821e58ee8b16a84412922f6.zip
iw_cxgb4: remove BUG_ON() usage.
iw_cxgb4 has many BUG_ON()s that were left over from various enhancemnets made over the years. Almost all of them should just be removed. Some, however indicate a ULP usage error and can be handled w/o bringing down the system. If the condition cannot happen with correctly implemented cxgb4 sw/fw, then remove the BUG_ON. If the condition indicates a misbehaving ULP (like CQ overflows), add proper recovery logic. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/qp.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 4b3267358dff..1374b41201a9 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -689,7 +689,6 @@ static int build_memreg(struct t4_sq *sq, union t4_wr *wqe,
if (++p == (__be64 *)&sq->queue[sq->size])
p = (__be64 *)sq->queue;
}
- BUG_ON(rem < 0);
while (rem) {
*p = 0;
rem -= sizeof(*p);
@@ -1568,7 +1567,6 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
case C4IW_QP_STATE_RTS:
switch (attrs->next_state) {
case C4IW_QP_STATE_CLOSING:
- BUG_ON(kref_read(&qhp->ep->com.kref) < 2);
t4_set_wq_in_error(&qhp->wq);
set_state(qhp, C4IW_QP_STATE_CLOSING);
ep = qhp->ep;
@@ -1677,7 +1675,6 @@ err:
set_state(qhp, C4IW_QP_STATE_ERROR);
free = 1;
abort = 1;
- BUG_ON(!ep);
flush_qp(qhp);
wake_up(&qhp->wait);
out:
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