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-rw-r--r--drivers/hwtracing/intel_th/msu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index d9d6022..747ccf8 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -1393,6 +1393,11 @@ nr_pages_store(struct device *dev, struct device_attribute *attr,
do {
end = memchr(p, ',', len);
s = kstrndup(p, end ? end - p : len, GFP_KERNEL);
+ if (!s) {
+ ret = -ENOMEM;
+ goto free_win;
+ }
+
ret = kstrtoul(s, 10, &val);
kfree(s);
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