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bdev/nvme: Allocate context at the head of bdev_nvme_create()

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Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Id4f8703dbfdd0f12263eef82e51b7df3d8e15d81
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4386
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Shuhei Matsumoto 2020-09-24 10:54:00 +09:00 committed by Tomasz Zawadzki
parent 66f74eb9f7
commit cced29b595
1 changed files with 14 additions and 12 deletions
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26
module/bdev/nvme/bdev_nvme.c
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@ -1922,15 +1922,29 @@ bdev_nvme_create(struct spdk_nvme_transport_id *trid,
return -EEXIST;
}
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
return -ENOMEM;
}
ctx->base_name = base_name;
ctx->names = names;
ctx->count = count;
ctx->cb_fn = cb_fn;
ctx->cb_ctx = cb_ctx;
ctx->prchk_flags = prchk_flags;
ctx->trid = *trid;
existing_ctrlr = nvme_bdev_ctrlr_get_by_name(base_name);
if (existing_ctrlr) {
if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
SPDK_ERRLOG("A controller with the provided name (name: %s) already exists with transport type PCIe. PCIe multipath is not supported.\n",
base_name);
free(ctx);
return -EEXIST;
}
rc = bdev_nvme_add_trid(existing_ctrlr->name, trid);
if (rc) {
free(ctx);
return rc;
}
}
@ -1945,18 +1959,6 @@ bdev_nvme_create(struct spdk_nvme_transport_id *trid,
}
}
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
return -ENOMEM;
}
ctx->base_name = base_name;
ctx->names = names;
ctx->count = count;
ctx->cb_fn = cb_fn;
ctx->cb_ctx = cb_ctx;
ctx->prchk_flags = prchk_flags;
ctx->trid = *trid;
if (existing_ctrlr) {
nvme_ctrlr_populate_namespaces_done(ctx);
return 0;