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authorDavid Fries <david@fries.net>2008-10-15 22:04:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 11:21:50 -0700
commitfe3cb82364332b9db3b574e9e41de9c27eff470a (patch)
treebd9e30ff2e2dce91e5632d1e1459304ef1d2d3f7 /drivers/w1/w1_family.c
parent347ba8a588c3e49f357291e5a1ac38a11d7e052d (diff)
downloadlinux-fe3cb82364332b9db3b574e9e41de9c27eff470a.tar.gz
W1: w1_family, remove unused variable need_exit
Removed the w1_family structure member variable need_exit.  It was only
being set and never used.  Even if it were to be used it is a polling type
operation.

Signed-off-by: David Fries <david@fries.net>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/w1/w1_family.c')
-rw-r--r--drivers/w1/w1_family.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index 8c35f9ccb689..4a099041f28a 100644
--- a/drivers/w1/w1_family.c
+++ b/drivers/w1/w1_family.c
@@ -48,7 +48,6 @@ int w1_register_family(struct w1_family *newf)
 
 	if (!ret) {
 		atomic_set(&newf->refcnt, 0);
-		newf->need_exit = 0;
 		list_add_tail(&newf->family_entry, &w1_families);
 	}
 	spin_unlock(&w1_flock);
@@ -73,9 +72,6 @@ void w1_unregister_family(struct w1_family *fent)
 			break;
 		}
 	}
-
-	fent->need_exit = 1;
-
 	spin_unlock(&w1_flock);
 
 	/* deatch devices using this family code */
@@ -113,8 +109,7 @@ struct w1_family * w1_family_registered(u8 fid)
 
 static void __w1_family_put(struct w1_family *f)
 {
-	if (atomic_dec_and_test(&f->refcnt))
-		f->need_exit = 1;
+	atomic_dec(&f->refcnt);
 }
 
 void w1_family_put(struct w1_family *f)