584353 drm: Don't unref the same fb many times by mistake due to deadlock handling (CVE-2023-52486 bsc#1221277).

Authored and Committed by Patrik Jakobsson 2 weeks ago
    drm: Don't unref the same fb many times by mistake due to deadlock handling (CVE-2023-52486 bsc#1221277).
    
        
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