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drm/msm: Fix task_struct reference leak in recover_worker

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get_pid_task() increments the task reference count, but the
corresponding put_task_struct() was missing in the else branch,
leaking a reference on every GPU hang recovery.

Fixes: 25654a1756 ("drm/msm: Update global fault counter when faulty process has already ended")
Signed-off-by: Jie Zhang <jie.zhang@oss.qualcomm.com>
Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/730662/
Message-ID: <20260605-assorted-fixes-june-v1-6-2caa04f7287c@oss.qualcomm.com>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
This commit is contained in:
Jie Zhang 2026-06-05 01:38:22 +05:30 committed by Rob Clark
parent bc024d325e
commit 40b793714a
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/msm/msm_gpu.c
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@ -505,6 +505,8 @@ static void recover_worker(struct kthread_work *work)
*/
if (!vm->managed)
msm_gem_vm_unusable(submit->vm);
put_task_struct(task);
}
noreclaim_flag = memalloc_noreclaim_save();