tree bed56d6118d1e0ff0e26a202b1db6a48f4871859
parent 98d71f9191ac83959d24ad7b01b211ef7bb3172e
author Philip Withnall <philip.withnall@collabora.co.uk> 1408918213 +0100
committer Daniel Veillard <veillard@redhat.com> 1412567619 +0800

xmlIO: Handle error returns from dup()

If dup() fails and returns -1, gzdopen() will transparently return NULL,
but then close() will fail after being called on an invalid FD. Change
the code to only call close() on valid FDs.

Coverity issue: #72382