Review: do not hold dm_reg_lock spinlock when calling dm_add_fsys_entry()

[Vlad Apostolov <vapo@xxxxxxx>]

dm_reg_lock spinlock has been held when calling dm_add_fsys_entry()

Attached is a fix.

Regards,
Vlad

Index: linux/fs/dmapi/dmapi_register.c
===================================================================
--- linux.orig/fs/dmapi/dmapi_register.c
+++ linux/fs/dmapi/dmapi_register.c
@@ -252,6 +252,7 @@ dm_add_fsys_entry(
                fsrp->fr_next = dm_registers;
                dm_registers = fsrp;
                dm_fsys_cnt++;
+               mutex_spinunlock(&dm_reg_lock, lc);
 #ifdef CONFIG_PROC_FS
                {
                char buf[100];
@@ -262,7 +263,6 @@ dm_add_fsys_entry(
                entry->owner = THIS_MODULE;
                }
 #endif
-               mutex_spinunlock(&dm_reg_lock, lc);
                return(0);
        }