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Commit a95e56e7 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

lockd: clean up __nsm_find() 



Use list_for_each_entry().  Also, in keeping with kernel style, make the
normal case (kzalloc succeeds) unindented and handle the abnormal case
with a goto.

Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent 164f98ad

fs/lockd/host.c

+16 −16
Original line number Diff line number Diff line
@@ -465,7 +465,7 @@ __nsm_find(const struct sockaddr_in *sin, 
		int create)

{

	struct nsm_handle *nsm = NULL;

	struct list_head *pos;

	struct nsm_handle *pos;



	if (!sin)

		return NULL;
@@ -480,16 +480,16 @@ __nsm_find(const struct sockaddr_in *sin, 
	}



	mutex_lock(&nsm_mutex);

	list_for_each(pos, &nsm_handles) {

		nsm = list_entry(pos, struct nsm_handle, sm_link);

	list_for_each_entry(pos, &nsm_handles, sm_link) {



		if (hostname && nsm_use_hostnames) {

			if (strlen(nsm->sm_name) != hostname_len

			 || memcmp(nsm->sm_name, hostname, hostname_len))

			if (strlen(pos->sm_name) != hostname_len

			 || memcmp(pos->sm_name, hostname, hostname_len))

				continue;

		} else if (!nlm_cmp_addr(&nsm->sm_addr, sin))

		} else if (!nlm_cmp_addr(&pos->sm_addr, sin))

			continue;

		atomic_inc(&nsm->sm_count);

		atomic_inc(&pos->sm_count);

		nsm = pos;

		goto out;

	}
@@ -499,7 +499,8 @@ __nsm_find(const struct sockaddr_in *sin, 
	}



	nsm = kzalloc(sizeof(*nsm) + hostname_len + 1, GFP_KERNEL);

	if (nsm != NULL) {

	if (nsm == NULL)

		goto out;

	nsm->sm_addr = *sin;

	nsm->sm_name = (char *) (nsm + 1);

	memcpy(nsm->sm_name, hostname, hostname_len);
@@ -507,7 +508,6 @@ __nsm_find(const struct sockaddr_in *sin, 
	atomic_set(&nsm->sm_count, 1);



	list_add(&nsm->sm_link, &nsm_handles);

	}



out:

	mutex_unlock(&nsm_mutex);