diff options
author | Hariprasad S <hariprasad@chelsio.com> | 2016-05-04 19:57:30 (GMT) |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2016-05-05 20:11:14 (GMT) |
commit | 88bc230dc614b8e19000022d0ae2c1dfd578a0b0 (patch) | |
tree | 303014b1535bc83ae3696f3ff2689b2f70e9a745 /drivers | |
parent | 9dec900c20d95ef1f3c40bc5d5901499f5d63381 (diff) | |
download | linux-88bc230dc614b8e19000022d0ae2c1dfd578a0b0.tar.xz |
RDMA/iw_cxgb4: stop ep timer on close failure
In c4iw_ep_disconnect(), if we start the ep timer to begin a close,
but send_halfclose() fails, we need to stop the timer and send a CLOSE
event up to the IWCM before releasing the resources. Otherwise, we can
crash when the ep timer fires if the ep is referencing a previous instance
of the device. This can happen as part of adapter reset/recovery, for
instance.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 49784a4..cc9836e 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -3467,8 +3467,13 @@ int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp) set_bit(EP_DISC_CLOSE, &ep->com.history); ret = send_halfclose(ep, gfp); } - if (ret) + if (ret) { + if (!abrupt) { + stop_ep_timer(ep); + close_complete_upcall(ep, -EIO); + } fatal = 1; + } } mutex_unlock(&ep->com.mutex); if (fatal) |