Commit 34d677a9 authored by Marc Zyngier's avatar Marc Zyngier
Browse files

irqchip/gic-v3-its: Zero command on allocation 



When reusing commands from the ring buffer, it would be better
to zero them out, even if the ITS should ignore the unused
fields.

Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 5bc13c2c

drivers/irqchip/irq-gic-v3-its.c

+6 −0
Original line number Diff line number Diff line
@@ -411,6 +411,12 @@ static struct its_cmd_block *its_allocate_entry(struct its_node *its) 
	if (its->cmd_write == (its->cmd_base + ITS_CMD_QUEUE_NR_ENTRIES))

		its->cmd_write = its->cmd_base;



	/* Clear command  */

	cmd->raw_cmd[0] = 0;

	cmd->raw_cmd[1] = 0;

	cmd->raw_cmd[2] = 0;

	cmd->raw_cmd[3] = 0;



	return cmd;

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE