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 an updated version will be merged
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
w1-w1_family-remove-unused-variable-need_exit.patch
w1-w1_therm-consistent-mutex-access-code-cleanup.patch
w1-w1_intc-use-first-available-master-number.patch
w1-w1c-s-printk-dev_dbg.patch
w1-w1_ioc-reset-comments-and-msleep.patch
w1-ds1wmc-msleep-for-reset.patch
w1-ds2490c-correct-print-message.patch
w1-ds2490c-add-support-for-strong-pullup.patch
w1-ds2490c-add-support-for-strong-pullup-checkpatch-fixes.patch
w1-ds2490c-ds_write_bit-grouping-error-disable-readback.patch
w1-ds2490c-disable-bit-read-and-write.patch
w1-ds2490c-simplify-and-fix-ds_touch_bit.patch
w1-ds2490c-ds_dump_status-rework.patch
w1-ds2490c-ds_reset-remove-ds_wait_status.patch
w1-ds2490c-reset-ds2490-in-init.patch
w1-ds2490c-magic-number-work.patch
w1-ds2490c-ds_write_block-remove-extra-ds_wait_status.patch
w1-documentation-w1-masters-ds2490-update.patch
w1-ds2490c-optimize-ds_set_pullup.patch
w1-ds2490c-optimize-ds_set_pullup-checkpatch-fixes.patch
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