Description: net: qrtr: fix memort leak in qrtr_tun_write_iter
References:
Notes:
 bwh> Introduced in 4.18 by commit 28fb4e59a47d "net: qrtr: Expose tunneling
 bwh> endpoint to user space".  Driver is not enabled in any Debian config.
Bugs:
upstream: released (5.3) [a21b7f0cff1906a93a0130b74713b15a0b36481d]
4.19-upstream-stable: released (4.19.89) [754e3c0c31c96cf3a4a54ed2a8c63cca28109136]
4.9-upstream-stable: N/A "Vulnerable code not present"
3.16-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.3.7-1)
4.19-buster-security: released (4.19.98-1)
4.9-stretch-security: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"