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While pausing submissions, it is possible to encouner an exec queue
which is during creation, and therefore doesn't have a valid xe_lrc
struct reference.
Protect agains such situation, by checking for NULL before access.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Fixes: c25c1010df ("drm/xe/vf: Replay GuC submission state on pause / unpause")
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251124222853.1900800-1-tomasz.lis@intel.com