dca: remove unneeded NULL check

The return here doesn't release the locks or re-enable IRQs. But as Andrew Morton points out, domain is never NULL. list_first_entry() essentially never returns NULL and also we already verified that the list is not empty. Signed-off-by: Dan Carpenter <[email protected]> Acked-by: Maciej Sosnowski <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
cail · Jan 13, 2011 · f0f2c2b · f0f2c2b
1 parent 455cd5a
commit f0f2c2b
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
@@ -110,8 +110,6 @@ static void unregister_dca_providers(void)
 
 	/* at this point only one domain in the list is expected */
 	domain = list_first_entry(&dca_domains, struct dca_domain, node);
-	if (!domain)
-		return;
 
 	list_for_each_entry_safe(dca, _dca, &domain->dca_providers, node) {
 		list_del(&dca->node);