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-rw-r--r--kernel/taskstats.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 1db6808..9f4618e 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -290,6 +290,7 @@ static int add_del_listener(pid_t pid, const struct cpumask *mask, int isadd)
struct listener_list *listeners;
struct listener *s, *tmp, *s2;
unsigned int cpu;
+ int ret = 0;
if (!cpumask_subset(mask, cpu_possible_mask))
return -EINVAL;
@@ -304,9 +305,10 @@ static int add_del_listener(pid_t pid, const struct cpumask *mask, int isadd)
for_each_cpu(cpu, mask) {
s = kmalloc_node(sizeof(struct listener),
GFP_KERNEL, cpu_to_node(cpu));
- if (!s)
+ if (!s) {
+ ret = -ENOMEM;
goto cleanup;
-
+ }
s->pid = pid;
s->valid = 1;
@@ -339,7 +341,7 @@ cleanup:
}
up_write(&listeners->sem);
}
- return 0;
+ return ret;
}
static int parse(struct nlattr *na, struct cpumask *mask)
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