[PATCH v7 04/12] platform/x86/intel/pmt: mutex clean up

["Michael J. Ruhl" <michael.j.ruhl@intel.com>]

The header file for mutex usage and mutex_destroy() cleanup code is
absent from the crashlog.c module.

Add the header file and mutex_destroy().

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
---
 drivers/platform/x86/intel/pmt/crashlog.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/intel/pmt/crashlog.c b/drivers/platform/x86/intel/pmt/crashlog.c
index d40c8e212733..6e32fc1f8f1d 100644
--- a/drivers/platform/x86/intel/pmt/crashlog.c
+++ b/drivers/platform/x86/intel/pmt/crashlog.c
@@ -12,6 +12,7 @@
 #include <linux/intel_vsec.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
@@ -262,8 +263,12 @@ static void pmt_crashlog_remove(struct auxiliary_device *auxdev)
 	struct pmt_crashlog_priv *priv = auxiliary_get_drvdata(auxdev);
 	int i;
 
-	for (i = 0; i < priv->num_entries; i++)
-		intel_pmt_dev_destroy(&priv->entry[i].entry, &pmt_crashlog_ns);
+	for (i = 0; i < priv->num_entries; i++) {
+		struct crashlog_entry *crashlog = &priv->entry[i];
+
+		intel_pmt_dev_destroy(&crashlog->entry, &pmt_crashlog_ns);
+		mutex_destroy(&crashlog->control_mutex);
+	}
 }
 
 static int pmt_crashlog_probe(struct auxiliary_device *auxdev,
-- 
2.50.0