1 files changed, 6 insertions, 5 deletions

diff --git a/lib/reed_solomon/reed_solomon.c b/lib/reed_solomon/reed_solomon.c
index f5fef948a415..f8ac9fa95de1 100644
--- a/lib/reed_solomon/reed_solomon.c
+++ b/lib/reed_solomon/reed_solomon.c
@@ -44,12 +44,13 @@
 #include <linux/module.h>
 #include <linux/rslib.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 #include <asm/semaphore.h>
 
 /* This list holds all currently allocated rs control structures */
 static LIST_HEAD (rslist);
 /* Protection for the list */
-static DECLARE_MUTEX(rslistlock);
+static DEFINE_MUTEX(rslistlock);
 
 /**
  * rs_init - Initialize a Reed-Solomon codec
@@ -161,7 +162,7 @@ errrs:
  */
 void free_rs(struct rs_control *rs)
 {
-        down(&rslistlock);
+        mutex_lock(&rslistlock);
         rs->users--;
         if(!rs->users) {
                 list_del(&rs->list);
@@ -170,7 +171,7 @@ void free_rs(struct rs_control *rs)
                 kfree(rs->genpoly);
                 kfree(rs);
         }
-        up(&rslistlock);
+        mutex_unlock(&rslistlock);
 }
 
 /**
@@ -201,7 +202,7 @@ struct rs_control *init_rs(int symsize, int gfpoly, int fcr, int prim,
         if (nroots < 0 || nroots >= (1<<symsize))
                 return NULL;
 
-        down(&rslistlock);
+        mutex_lock(&rslistlock);
 
         /* Walk through the list and look for a matching entry */
         list_for_each(tmp, &rslist) {
@@ -228,7 +229,7 @@ struct rs_control *init_rs(int symsize, int gfpoly, int fcr, int prim,
                 list_add(&rs->list, &rslist);
         }
 out:
-        up(&rslistlock);
+        mutex_unlock(&rslistlock);
         return rs;
 }