The patch titled
W1: w1_family, remove unused variable need_exit
has been removed from the -mm tree. Its filename was
w1-w1_family-remove-unused-variable-need_exit.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: W1: w1_family, remove unused variable need_exit
From: David Fries <david@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Evgeniy Polyakov <johnpol@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/w1/w1_family.c | 7 +------
drivers/w1/w1_family.h | 1 -
2 files changed, 1 insertion(+), 7 deletions(-)
diff -puN drivers/w1/w1_family.c~w1-w1_family-remove-unused-variable-need_exit drivers/w1/w1_family.c
--- a/drivers/w1/w1_family.c~w1-w1_family-remove-unused-variable-need_exit
+++ a/drivers/w1/w1_family.c
@@ -48,7 +48,6 @@ int w1_register_family(struct w1_family
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_fami
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(
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 -puN drivers/w1/w1_family.h~w1-w1_family-remove-unused-variable-need_exit drivers/w1/w1_family.h
--- a/drivers/w1/w1_family.h~w1-w1_family-remove-unused-variable-need_exit
+++ a/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;
_
Patches currently in -mm which might be from david@xxxxxxxxx are
origin.patch
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