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Commit fe3cb823 authored by David Fries's avatar David Fries Committed by Linus Torvalds
Browse files

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: default avatarDavid Fries <david@fries.net>
Signed-off-by: default avatarEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 347ba8a5

drivers/w1/w1_family.c

+1 −6
Original line number Diff line number Diff line
@@ -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)

drivers/w1/w1_family.h

+0 −1
Original line number Diff line number Diff line
@@ -53,7 +53,6 @@ struct w1_family 
	struct w1_family_ops	*fops;



	atomic_t		refcnt;

	u8			need_exit;

};



extern spinlock_t w1_flock;