[PATCH v3 2/6 incubator] Apply appropriate locking for missing pread/pwrite api

---
 smbnetfs.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/smbnetfs.c b/smbnetfs.c
index cae5f7350..950d1560b 100644
--- a/smbnetfs.c
+++ b/smbnetfs.c
@@ -712,18 +712,15 @@ netfs_attempt_read (struct iouser * cred, struct node * np, loff_t offset,
 
   pthread_mutex_lock (&smb_mutex);
   ret = smbc_getFunctionLseek(ctx) (ctx, fd, offset2, SEEK_SET);
-  pthread_mutex_unlock (&smb_mutex);
   
   if ((ret < 0) || (ret != offset2))
     {
       *len = 0;
-      pthread_mutex_lock (&smb_mutex);
       smbc_getFunctionClose(ctx) (ctx, fd);
       pthread_mutex_unlock (&smb_mutex);
       return errno;
     }
 
-  pthread_mutex_lock (&smb_mutex);
   ret = smbc_getFunctionRead(ctx) (ctx, fd, data, *len);
   pthread_mutex_unlock (&smb_mutex);
 
@@ -773,17 +770,14 @@ netfs_attempt_write (struct iouser * cred, struct node * np, loff_t offset,
     }
   pthread_mutex_lock (&smb_mutex);
   ret = smbc_getFunctionLseek(ctx) (ctx, fd, offset2, SEEK_SET);
-  pthread_mutex_unlock (&smb_mutex);
   
   if ((ret < 0) || (ret != offset2))
     {
       *len = 0;
-      pthread_mutex_lock (&smb_mutex);
       smbc_getFunctionClose(ctx) (ctx, fd);
       pthread_mutex_unlock (&smb_mutex);
       return errno;
     }
-  pthread_mutex_lock (&smb_mutex);
   ret = smbc_getFunctionWrite(ctx) (ctx, fd, data, *len);
   pthread_mutex_unlock (&smb_mutex);
   
-- 
2.51.0