On 10/30/2014 4:53 PM, Bart Van Assche wrote:
On 10/30/14 15:26, Sagi Grimberg wrote:
On 10/30/2014 3:50 PM, Bart Van Assche wrote:
+ /* Destroying a QP and reusing ch->done is only safe if not
connected */
+ WARN_ON_ONCE(target->connected);
I thought we agreed that cannot happen. I guess I don't mind keeping
it... BTW, were you able to reproduce this race as well?
Hello Sagi,
Agreed that it is possible to conclude from the ib_srp source code that
the above "WARN_ON_ONCE(target->connected)" statement will never be
triggered. The reason I added that statement is to have an explicit
check of that condition. Such statements can be helpful in case anyone
would like to modify the SRP initiator driver.
Yea, OK.
I have not yet been able to reproduce the crash addressed by this patch.
But the code added via this patch has been triggered in my tests. Since
this code is e.g. called from srp_free_ch_ib(), unloading the ib_srp
kernel module after login succeeded is sufficient to trigger this code.
Yes of course, was just curious to know if you got this crash as well...
Sagi.
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