Commit ade78c2e authored Aug 08, 2019 by Anirudh Venkataramanan Committed by Jeff Kirsher Sep 05, 2019

ice: Check root pointer for validity



ice_sched_get_tc_node uses pi->root without checking for NULL. Add a
check to prevent NULL pointer dereference.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 208ff751

drivers/net/ethernet/intel/ice/ice_sched.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -284,7 +284,7 @@ struct ice_sched_node ice_sched_get_tc_node(struct ice_port_info pi, u8 tc)
		{
		u8 i;

		if (!pi)
		if (!pi \|\| !pi->root)
		return NULL;
		for (i = 0; i < pi->root->num_children; i++)
		if (pi->root->children[i]->tc_num == tc)

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