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SubjectRE: net: macb: linux-next: null pointer dereference in phylink_major_config()
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Hi Russell,

It seems apart from changes in driver, we also need check for NULL pcs_config
below or make pcs_config as mandatory method for registering pcs_ops.

456 if (pl->pcs_ops) {
457 err = pl->pcs_ops->pcs_config(pl->pcs, pl->cur_link_an_mode,
458 state->interface,
459 state->advertising,
460 !!(pl->link_config.pause &
461 MLO_PAUSE_AN));
462 if (err < 0)
463 phylink_err(pl, "pcs_config failed: %pe\n",
464 ERR_PTR(err));
465 if (err > 0)
466 restart = true;
467 }

Please suggest.

Regards,
Parshuram Thombare

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