Commit 7775352a authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm/gem: Add missing rcu_dereference() 



Fixes a sparse "different address spaces" error.

Reported-by: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406280050.syeEwLTE-lkp@intel.com/


Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/601612/
parent ad7f5299

drivers/gpu/drm/msm/msm_gem.c

+1 −1
Original line number Diff line number Diff line
@@ -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();



}