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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
parent347ba8a588c3e49f357291e5a1ac38a11d7e052d (diff)
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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>
-rw-r--r--drivers/w1/w1_family.c7
-rw-r--r--drivers/w1/w1_family.h1
2 files changed, 1 insertions, 7 deletions
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index 8c35f9c..4a09904 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)
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 296a87e..3053133 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -53,7 +53,6 @@ struct w1_family
struct w1_family_ops *fops;
atomic_t refcnt;
- u8 need_exit;
};
extern spinlock_t w1_flock;