1 files changed, 3 insertions, 0 deletions

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 49a1c70bbd70..0dedb4bd9623 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -221,6 +221,9 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu
                 return -EINVAL;
 
         tid = simple_strtoul(buf, NULL, 0);
+        ret = kstrtoul(buf, 0, &tid);
+        if (ret)
+                return ret;
 
         if (tid >= IEEE80211_NUM_TIDS)
                 return -EINVAL;