[PATCH 3/8] nfsd4: silence a compiler warning in ACL code

[J. Bruce Fields]

From: J. Bruce Fields <bfields at citi.umich.edu>

Silence a compiler warning in the ACL code, and add a comment making
clear the initialization serves no other purpose.

Signed-off-by: "J. Bruce Fields" <bfields at citi.umich.edu>
---
 fs/nfsd/nfs4acl.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index cc3b7ba..4adb5ee 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -183,8 +183,13 @@ static void
 summarize_posix_acl(struct posix_acl *acl, struct posix_acl_summary *pas)
 {
 	struct posix_acl_entry *pa, *pe;
-	pas->users = 0;
-	pas->groups = 0;
+
+	/*
+	 * Only pas.users and pas.groups need initialization; previous
+	 * posix_acl_valid() calls ensure that the other fields will be
+	 * initialized in the following loop.  But, just to placate gcc:
+	 */
+	memset(pas, 0, sizeof(*pas));
 	pas->mask = 07;
 
 	pe = acl->a_entries + acl->a_count;
-- 
1.5.2.rc3