curvetun: Only close() file descriptor if open
commite4c98bb91e35dba56a077e8e5b9c70556fdd4e24
authorTobias Klauser <tklauser@distanz.ch>
Tue, 19 Mar 2013 09:58:21 +0000 (19 10:58 +0100)
committerTobias Klauser <tklauser@distanz.ch>
Tue, 19 Mar 2013 09:58:21 +0000 (19 10:58 +0100)
treee7469f9f3f96cd19779d6dc48f60e0d4b9ead3b2
parent0a021ca83742e2da23041c3fee602ba861dea6bb
curvetun: Only close() file descriptor if open

Only attempt to close the file descriptor in error cases where it is
actually open.

This was discovered by the coverity scanner.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
curvetun.c