firewire: convert client_list_lock to mutex

So far it is only taken in non-atomic contexts.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h
index 008a7908a865..655d7e838012 100644
--- a/drivers/firewire/fw-device.h
+++ b/drivers/firewire/fw-device.h
@@ -23,7 +23,7 @@
 #include <linux/cdev.h>
 #include <linux/idr.h>
 #include <linux/rwsem.h>
-#include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <asm/atomic.h>
 
 enum fw_device_state {
@@ -65,9 +65,10 @@ struct fw_device {
         bool cmc;
         struct fw_card *card;
         struct device device;
-        /* to prevent deadlocks, never take this lock with card->lock held */
-        spinlock_t client_list_lock;
+
+        struct mutex client_list_mutex;
         struct list_head client_list;
+
         u32 *config_rom;
         size_t config_rom_length;
         int config_rom_retries;