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path: root/drivers/gpu/drm/msm
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Diffstat (limited to 'drivers/gpu/drm/msm')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index ddc6a131c041..ebc9ba66efb8 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -48,7 +48,7 @@ static void update_ctx_mem(struct drm_file *file, ssize_t size)
uint64_t ctx_mem = atomic64_add_return(size, &ctx->ctx_mem);
rcu_read_lock(); /* Locks file->pid! */
- trace_gpu_mem_total(0, pid_nr(file->pid), ctx_mem);
+ trace_gpu_mem_total(0, pid_nr(rcu_dereference(file->pid)), ctx_mem);
rcu_read_unlock();
}