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nvme/ctrlr: Fix the invalid access of free_io_qids array.

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To fix the segment fault.

Fixes issue #1749

Reported by user: https://github.com/rdxsasha
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id: I130d8dba04e4a3e83c22c5967507c1297a048f0b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8813
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Ziye Yang 2021-07-19 18:57:36 +08:00 committed by Tomasz Zawadzki
parent 111851efbb
commit 03323b09a4
1 changed files with 5 additions and 1 deletions
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6
lib/nvme/nvme_ctrlr.c
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@ -4436,6 +4436,10 @@ spdk_nvme_ctrlr_free_qid(struct spdk_nvme_ctrlr *ctrlr, uint16_t qid)
assert(qid <= ctrlr->opts.num_io_queues);
nvme_robust_mutex_lock(&ctrlr->ctrlr_lock);
spdk_bit_array_set(ctrlr->free_io_qids, qid);
if (spdk_likely(ctrlr->free_io_qids)) {
spdk_bit_array_set(ctrlr->free_io_qids, qid);
}
nvme_robust_mutex_unlock(&ctrlr->ctrlr_lock);
}