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authorMarkus Armbruster <armbru@redhat.com>2014-04-25 16:50:33 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2014-04-25 18:05:06 +0200
commit92de9012904cd6ada47565f48db545d53069d933 (patch)
tree5335ecbfdc636cd0c6cbe03762904a7389513cee /blockdev.c
parent4399c438a431effbb785c6c7314b748a4e13734a (diff)
nbd: Use return values instead of error_is_set(errp)
Using error_is_set(errp) to check whether a function call failed is fragile: it breaks when errp is null. Check perfectly suitable return values instead when possible. errp can't be null there now, but this is more robust and more obviously correct Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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