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Diffstat (limited to 'kernel/padata.c')
-rw-r--r--kernel/padata.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/padata.c b/kernel/padata.c
index 5085046d83fb..5b44d0fa358e 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -25,6 +25,7 @@
#include <linux/padata.h>
#include <linux/mutex.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/rcupdate.h>
#define MAX_SEQ_NR INT_MAX - NR_CPUS
@@ -642,6 +643,9 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
if (!pd)
goto err_free_inst;
+ if (!alloc_cpumask_var(&pinst->cpumask, GFP_KERNEL))
+ goto err_free_pd;
+
rcu_assign_pointer(pinst->pd, pd);
pinst->wq = wq;
@@ -654,12 +658,14 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
pinst->cpu_notifier.priority = 0;
err = register_hotcpu_notifier(&pinst->cpu_notifier);
if (err)
- goto err_free_pd;
+ goto err_free_cpumask;
mutex_init(&pinst->lock);
return pinst;
+err_free_cpumask:
+ free_cpumask_var(pinst->cpumask);
err_free_pd:
padata_free_pd(pd);
err_free_inst:
@@ -685,6 +691,7 @@ void padata_free(struct padata_instance *pinst)
unregister_hotcpu_notifier(&pinst->cpu_notifier);
padata_free_pd(pinst->pd);
+ free_cpumask_var(pinst->cpumask);
kfree(pinst);
}
EXPORT_SYMBOL(padata_free);