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drm/msm/gem: Add missing rcu_dereference()

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Fixes a sparse "different address spaces" error.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406280050.syeEwLTE-lkp@intel.com/
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/601612/
This commit is contained in:
Rob Clark 2024-07-01 14:32:14 -07:00
parent ad7f52996b
commit 7775352a5f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/msm_gem.c
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@ -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();
}