[PATCH 2.5.69] Fix module ref counting in block/loop.c

[Stephen Hemminger]

Replace old MOD_INC with new __module_get.
No need for using try_module_get, because module_get is only called in open
routine where there must already be a ref count.

diff -Nru a/drivers/block/loop.c b/drivers/block/loop.c
--- a/drivers/block/loop.c	Fri May  9 15:54:51 2003
+++ b/drivers/block/loop.c	Fri May  9 15:54:51 2003
@@ -651,7 +651,7 @@
 	int		lo_flags = 0;
 	int		error;
 
-	MOD_INC_USE_COUNT;
+	__module_get(THIS_MODULE);	/* already have ref we are open */
 
 	error = -EBUSY;
 	if (lo->lo_state != Lo_unbound)
@@ -751,7 +751,7 @@
  out_putf:
 	fput(file);
  out:
-	MOD_DEC_USE_COUNT;
+	module_put(THIS_MODULE);
 	return error;
 }
 
@@ -824,7 +824,7 @@
 	filp->f_dentry->d_inode->i_mapping->gfp_mask = gfp;
 	lo->lo_state = Lo_unbound;
 	fput(filp);
-	MOD_DEC_USE_COUNT;
+	module_put(THIS_MODULE);
 	return 0;
 }