Description: net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg
References:
Notes:
 carnil> Introduced in d0cad871703b ("smsc75xx: SMSC LAN75xx USB gigabit ethernet
 carnil> adapter driver"). Vulnerable versions: 2.6.34-rc2 3.16.61 3.18.120 4.4.152
 carnil> 4.9.124 4.14.67 4.17.19.
Bugs:
upstream: released (6.6-rc5) [e9c65989920f7c28775ec4e0c11b483910fb67b8]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: released (6.1.57) [9ffc5018020fe646795a8dc1203224b8f776dc09]
5.10-upstream-stable: released (5.10.198) [30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5]
4.19-upstream-stable: released (4.19.296) [2a36d9e2995c8c3c3f179aab1215a69cff06cbed]
sid: released (6.5.8-1)
6.1-bookworm-security: released (6.1.64-1)
5.10-bullseye-security: released (5.10.205-1)
4.19-buster-security: released (4.19.304-1)