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authorJames Morse <james.morse@arm.com>2021-09-17 16:59:58 +0000
committerBorislav Petkov <bp@suse.de>2021-10-06 18:45:21 +0200
commit64e87d4bd3201bf8a4685083ee4daf5c0d001452 (patch)
tree9e7fd91b089d386d996ae1b3b4a38639e4abdc4c /arch/x86/kernel/cpu/resctrl/core.c
parent6e3cd95234dc1eda488f4f487c281bac8fef4d9b (diff)
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: 1bd2a63b4f0de ("x86/intel_rdt/mba_sc: Add initialization support") Fixes: edf6fa1c4a951 ("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
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/core.c')
-rw-r--r--arch/x86/kernel/cpu/resctrl/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index 4b8813bafffd..b5de5a6c115c 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -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;
}