switch fcntl to fget_raw_light/fput_light

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/fcntl.c b/fs/fcntl.c
index d078b75..81b70e6 100644 (file)
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -442,28 +442,24 @@ static int check_fcntl_cmd(unsigned cmd)
 SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
 {      
        struct file *filp;
+       int fput_needed;
        long err = -EBADF;
 
-       filp = fget_raw(fd);
+       filp = fget_raw_light(fd, &fput_needed);
        if (!filp)
                goto out;
 
        if (unlikely(filp->f_mode & FMODE_PATH)) {
-               if (!check_fcntl_cmd(cmd)) {
-                       fput(filp);
-                       goto out;
-               }
+               if (!check_fcntl_cmd(cmd))
+                       goto out1;
        }
 
        err = security_file_fcntl(filp, cmd, arg);
-       if (err) {
-               fput(filp);
-               return err;
-       }
+       if (!err)
+               err = do_fcntl(fd, cmd, arg, filp);
 
-       err = do_fcntl(fd, cmd, arg, filp);
-
-       fput(filp);
+out1:
+       fput_light(filp, fput_needed);
 out:
        return err;
 }
@@ -473,26 +469,21 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
                unsigned long, arg)
 {      
        struct file * filp;
-       long err;
+       long err = -EBADF;
+       int fput_needed;
 
-       err = -EBADF;
-       filp = fget_raw(fd);
+       filp = fget_raw_light(fd, &fput_needed);
        if (!filp)
                goto out;
 
        if (unlikely(filp->f_mode & FMODE_PATH)) {
-               if (!check_fcntl_cmd(cmd)) {
-                       fput(filp);
-                       goto out;
-               }
+               if (!check_fcntl_cmd(cmd))
+                       goto out1;
        }
 
        err = security_file_fcntl(filp, cmd, arg);
-       if (err) {
-               fput(filp);
-               return err;
-       }
-       err = -EBADF;
+       if (err)
+               goto out1;
        
        switch (cmd) {
                case F_GETLK64:
@@ -507,7 +498,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
                        err = do_fcntl(fd, cmd, arg, filp);
                        break;
        }
-       fput(filp);
+out1:
+       fput_light(filp, fput_needed);
 out:
        return err;
 }