diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 3c778bb0c294..4aff83b1b0c0 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3880,6 +3880,7 @@ static int fc_parse_cgrpid(const char *buf, u64 *id)
 static ssize_t fc_appid_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
+	size_t orig_count = count;
 	u64 cgrp_id;
 	int appid_len = 0;
 	int cgrpid_len = 0;
@@ -3904,7 +3905,7 @@ static ssize_t fc_appid_store(struct device *dev,
 	ret = blkcg_set_fc_appid(app_id, cgrp_id, sizeof(app_id));
 	if (ret < 0)
 		return ret;
-	return count;
+	return orig_count;
 }
 static DEVICE_ATTR(appid_store, 0200, NULL, fc_appid_store);
 #endif /* CONFIG_BLK_CGROUP_FC_APPID */