Description: dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback
References:
Notes:
 carnil> Introduced in bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data
 carnil> accelerators"). Vulnerable versions: 5.6-rc1.
Bugs:
upstream: released (5.12-rc8) [ea941ac294d75d0ace50797aebf0056f6f8f7a7f]
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 (5.10.32) [a5ad12d5d69c63af289a37f05187a0c6fe93553d]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: N/A "Vulnerable code not present"