Description: paride/pf: Fix potential NULL pointer dereference
References:
Notes:
 carnil> CONFIG_PARIDE_PF not enabled in Debian builds
 carnil> Likely only introduced in 6ce59025f118 ("paride/pf: cleanup
 carnil> queues when detection fails") and thus not affecting any Debian
 carnil> released version if confirmed.
Bugs:
upstream: released (5.1-rc4) [58ccd2d31e502c37e108b285bf3d343eb00c235b]
4.19-upstream-stable: N/A "Vulnerability introduced later"
4.9-upstream-stable: N/A "Vulnerability introduced later"
3.16-upstream-stable: N/A "Vulnerability introduced later"
sid: N/A "Vulnerability never present"
4.19-buster-security: N/A "Vulnerability introduced later"
4.9-stretch-security: N/A "Vulnerability introduced later"
3.16-jessie-security: N/A "Vulnerability introduced later"