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path: root/drivers/net/wireless/iwlwifi/mvm/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 9864d713eb2c..a8fe6b41f9a3 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -119,6 +119,10 @@ static ssize_t iwl_dbgfs_sta_drain_write(struct file *file,
119 119
120 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) 120 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
121 return -EINVAL; 121 return -EINVAL;
122 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
123 return -EINVAL;
124 if (drain < 0 || drain > 1)
125 return -EINVAL;
122 126
123 mutex_lock(&mvm->mutex); 127 mutex_lock(&mvm->mutex);
124 128