drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()

Because of the possilble failure of devm_kzalloc(), dpu_wb_conn might
be NULL and will cause null pointer dereference later.

Therefore, it might be better to check it and directly return -ENOMEM.

Fixes: 77b001acdcfe ("drm/msm/dpu: add the writeback connector layer")
Signed-off-by: Hui Tang <[email protected]>
Reviewed-by: Abhinav Kumar <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/512277/
Link: https://lore.kernel.org/r/[email protected]
[DB: fixed typo in commit message]
Signed-off-by: Dmitry Baryshkov <[email protected]>

0 files changed, 0 insertions, 0 deletions