diff options
| author | David Fries <david@fries.net> | 2008-10-16 07:04:52 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 20:21:50 +0200 |
| commit | fe3cb82364332b9db3b574e9e41de9c27eff470a (patch) | |
| tree | bd9e30ff2e2dce91e5632d1e1459304ef1d2d3f7 /drivers/w1 | |
| parent | W1: w1_therm fix user buffer overflow and cat (diff) | |
| download | linux-fe3cb82364332b9db3b574e9e41de9c27eff470a.tar.xz linux-fe3cb82364332b9db3b574e9e41de9c27eff470a.zip | |
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')
| -rw-r--r-- | drivers/w1/w1_family.c | 7 | ||||
| -rw-r--r-- | drivers/w1/w1_family.h | 1 |
2 files changed, 1 insertions, 7 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) diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h index 296a87edd922..30531331a643 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; |