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x86/resctrl: Free the ctrlval arrays when domain_setup_mon_state() fails 

domain_add_cpu() is called whenever a CPU is brought online. The
earlier call to domain_setup_ctrlval() allocates the control value
arrays.

If domain_setup_mon_state() fails, the control value arrays are not
freed.

Add the missing kfree() calls.

Fixes: 1bd2a63b4f ("x86/intel_rdt/mba_sc: Add initialization support")
Fixes: edf6fa1c4a ("x86/intel_rdt/cqm: Add RMID (Resource monitoring ID) management")
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20210917165958.28313-1-james.morse@arm.com
This commit is contained in:
James Morse 2021-09-17 16:59:58 +00:00 committed by Borislav Petkov
parent 6e3cd95234
commit 64e87d4bd3
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kernel/cpu/resctrl/core.c
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@ -532,6 +532,8 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r)
}
if (r->mon_capable && domain_setup_mon_state(r, d)) {
kfree(hw_dom->ctrl_val);
kfree(hw_dom->mbps_val);
kfree(d);
return;
}