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soc: rockchip: fiq debugger: check "target_cpu" before switch cpu

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Signed-off-by: XiaoDong Huang <derrick.huang@rock-chips.com>
Change-Id: I2ed0fb4c5aa60b735a7570e13dffd2ee8e646f3b
This commit is contained in:
XiaoDong Huang
2023-11-13 16:18:33 +08:00
committed by Tao Huang
parent 614d7a8339
commit 8cfed66d7f
1 changed files with 5 additions and 0 deletions
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5
drivers/soc/rockchip/fiq_debugger/rk_fiq_debugger.c
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@@ -763,6 +763,11 @@ static int fiq_debugger_cpu_offine_migrate_fiq(unsigned int cpu)
if ((sip_fiq_debugger_is_enabled()) &&
(sip_fiq_debugger_get_target_cpu() == cpu)) {
target_cpu = cpumask_any_but(cpu_online_mask, cpu);
if (target_cpu >= nr_cpu_ids) {
pr_err("%s: migrate fiq fail!\n", __func__);
return -EBUSY;
}
sip_fiq_debugger_switch_cpu(target_cpu);
}