Description: media: em28xx: initialize refcount before kref_get
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2127985
Notes:
Bugs:
upstream: released (5.18-rc1) [c08eadca1bdfa099e20a32f8fa4b52b2f672236d]
5.10-upstream-stable: released (5.10.110) [ec8a37b2d9a76a9443feb0af95bd06ac3df25444]
4.19-upstream-stable: released (4.19.238) [0113fa98a49a8e46a19b0ad80f29c904c6feec23]
sid: released (5.17.3-1)
5.10-bullseye-security: released (5.10.113-1)
4.19-buster-security: released (4.19.249-1)