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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>
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1 changed files with 6 additions and 1 deletions
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@ -3467,8 +3467,13 @@ int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp)
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set_bit(EP_DISC_CLOSE, &ep->com.history);
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ret = send_halfclose(ep, gfp);
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}
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if (ret)
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if (ret) {
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if (!abrupt) {
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stop_ep_timer(ep);
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close_complete_upcall(ep, -EIO);
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}
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fatal = 1;
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}
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}
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mutex_unlock(&ep->com.mutex);
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if (fatal)
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