Description: s390/dasd: add missing discipline function
References:
Notes:
 carnil> Introduced in b72949328869 ("s390/dasd: Prepare for additional path event
 carnil> handling"). Vulnerable versions: 5.4.235 5.10.173 5.11-rc1.
Bugs:
upstream: released (5.13-rc4) [c0c8a8397fa8a74d04915f4d3d28cb4a5d401427]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.175) [aa8579bc084673c651204f7cd0d6308a47dffc16]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.14.6-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: released (5.10.178-1)
4.19-buster-security: N/A "Vulnerable code not present"