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path: root/drivers/hwtracing/intel_th/msu.c
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Diffstat (limited to 'drivers/hwtracing/intel_th/msu.c')
-rw-r--r--drivers/hwtracing/intel_th/msu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 70ca27e45602..9d9e47eb0842 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -1418,7 +1418,8 @@ nr_pages_store(struct device *dev, struct device_attribute *attr,
if (!end)
break;
- len -= end - p;
+ /* consume the number and the following comma, hence +1 */
+ len -= end - p + 1;
p = end + 1;
} while (len);