Forwarded: media: em28xx: fix refcount underflow caused by em28xx_free_v4l2

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From: syzbot

Date: Thu Oct 22 2026 - 08:12:11 EST

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Subject: media: em28xx: fix refcount underflow caused by em28xx_free_v4l2
Author: neganhat@xxxxxxxxx

#syz test: linux-next 8f7df005a756