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nvme/identify: print error if no controllers found

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Change-Id: I5b0411484290bbdf9077e55674ae368312fb01ab
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/378185
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
This commit is contained in:
Daniel Verkamp 2017-09-12 10:45:24 -07:00
parent 4a49d59c66
commit 93c803c363
1 changed files with 9 additions and 3 deletions
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12
examples/nvme/identify/identify.c
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@ -72,6 +72,8 @@ static char g_core_mask[16] = "0x1";
static struct spdk_nvme_transport_id g_trid;
static int g_controllers_found = 0;
static void
hex_dump(const void *data, size_t size)
{
@ -1059,6 +1061,7 @@ static void
attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
{
g_controllers_found++;
print_controller(ctrlr, trid);
spdk_nvme_detach(ctrlr);
}
@ -1085,11 +1088,14 @@ int main(int argc, char **argv)
}
spdk_env_init(&opts);
rc = 0;
if (spdk_nvme_probe(&g_trid, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
rc = 1;
return 1;
}
return rc;
if (g_controllers_found == 0) {
fprintf(stderr, "No NVMe controllers found.\n");
}
return 0;
}