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env_dpdk: modify error message when DPDK already initialized

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Ideally we'd have a way to query if DPDK is already
initialized but we don't have that yet.  We want that
for the case where we have an SPDK application that's part
of a framework that may (or may not) have already initialized
DPDK.  If it's already been initialized, let's print an
error message that isn't quite as inflammatory.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ifc095245dcdef24cdeeaab2dbe791ca4e840870e

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471422
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Jim Harris 2019-10-15 07:46:53 -07:00
parent 37c0a02e1c
commit 570d89a24a
1 changed files with 5 additions and 1 deletions
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6
lib/env_dpdk/init.c
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@ -459,7 +459,11 @@ spdk_env_init(const struct spdk_env_opts *opts)
free(dpdk_args);
if (rc < 0) {
fprintf(stderr, "Failed to initialize DPDK\n");
if (rte_errno == EALREADY) {
fprintf(stderr, "DPDK already initialized\n");
} else {
fprintf(stderr, "Failed to initialize DPDK\n");
}
return -rte_errno;
}