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nvme: fix intx handler to not dereference ioq during initialization

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This was a regression from r293328, which deferred allocation
of the controller's ioq array until after interrupts are enabled
during boot.

PR:		207432
Reported and tested by: Andy Carrel <wac@google.com>
MFC after:	3 days
Sponsored by:	Intel
This commit is contained in:
Jim Harris 2016-02-24 00:01:10 +00:00
parent 8f8cb840b0
commit 361e1fb408
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=295944
1 changed files with 1 additions and 1 deletions
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2
sys/dev/nvme/nvme_ctrlr.c
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@ -810,7 +810,7 @@ nvme_ctrlr_intx_handler(void *arg)
nvme_qpair_process_completions(&ctrlr->adminq);
if (ctrlr->ioq[0].cpl)
if (ctrlr->ioq && ctrlr->ioq[0].cpl)
nvme_qpair_process_completions(&ctrlr->ioq[0]);
nvme_mmio_write_4(ctrlr, intmc, 1);