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bdev: return error code if get_io_channel callback fail

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This is needed for proper IO channel allocation failure handling.

Change-Id: I795e5bcce5296a52c119d2300974b8cb3fc0d576
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/381187
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Pawel Wodkowski 2017-10-02 14:45:06 +02:00 committed by Jim Harris
parent 331f062b93
commit 683a6712ee
1 changed files with 11 additions and 0 deletions
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11
lib/bdev/bdev.c
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@ -687,7 +687,16 @@ spdk_bdev_channel_create(void *io_device, void *ctx_buf)
ch->bdev = io_device;
ch->channel = bdev->fn_table->get_io_channel(bdev->ctxt);
if (!ch->channel) {
return -1;
}
ch->mgmt_channel = spdk_get_io_channel(&g_bdev_mgr);
if (!ch->mgmt_channel) {
spdk_put_io_channel(ch->channel);
return -1;
}
memset(&ch->stat, 0, sizeof(ch->stat));
ch->io_outstanding = 0;
TAILQ_INIT(&ch->queued_resets);
@ -701,6 +710,8 @@ spdk_bdev_channel_create(void *io_device, void *ctx_buf)
__itt_init_ittlib(NULL, 0);
name = spdk_sprintf_alloc("spdk_bdev_%s_%p", ch->bdev->name, ch);
if (!name) {
spdk_put_io_channel(ch->channel);
spdk_put_io_channel(ch->mgmt_channel);
return -1;
}
ch->handle = __itt_string_handle_create(name);