vhost: fix error code check when creating pthread
authorOlivier Matz <olivier.matz@6wind.com>
Wed, 29 Nov 2017 09:55:00 +0000 (10:55 +0100)
committerOlivier Matz <olivier.matz@6wind.com>
Fri, 8 Dec 2017 09:47:55 +0000 (10:47 +0100)
On error, pthread_create() returns a positive number (errno).
Fix the test on the return value.

Fixes: af1475918124 ("vhost: introduce API to start a specific driver")
Fixes: e623e0c6d8a5 ("vhost: add reconnect ability")
Cc: stable@dpdk.org
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

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