iwlwifi: correct atomic bitops usage
With atomic bitops, test_and_{set,clear}_bit
should be used instead of separate test_bit
and set_bit/clear_bit.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 3904bb4..7982b19 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -68,9 +68,8 @@
}
if (test_bit(STATUS_SCANNING, &priv->status)) {
- if (!test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
+ if (!test_and_set_bit(STATUS_SCAN_ABORTING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Queuing scan abort.\n");
- set_bit(STATUS_SCAN_ABORTING, &priv->status);
queue_work(priv->workqueue, &priv->abort_scan);
} else
@@ -227,13 +226,13 @@
jiffies_to_msecs(elapsed_jiffies
(priv->scan_pass_start, jiffies)));
- /* If a request to abort was given, or the scan did not succeed
+ /*
+ * If a request to abort was given, or the scan did not succeed
* then we reset the scan state machine and terminate,
- * re-queuing another scan if one has been requested */
- if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
+ * re-queuing another scan if one has been requested
+ */
+ if (test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status))
IWL_DEBUG_INFO(priv, "Aborted scan completed.\n");
- clear_bit(STATUS_SCAN_ABORTING, &priv->status);
- }
if (!priv->is_internal_short_scan)
priv->next_scan_jiffies = 0;