[PATCH] NFSD: fix uninitialized variable

[Jeff Garzik <jeff@garzik.org>]

Unlike many of the bogus warnings spewed by gcc, this one actually
complains about a real bug:

fs/nfsd/nfs4acl.c: In function ‘_posix_to_nfsv4_one’:
fs/nfsd/nfs4acl.c:227: warning: ‘pas.owner’ may be used uninitialized in this function
fs/nfsd/nfs4acl.c:227: warning: ‘pas.group’ may be used uninitialized in this function
fs/nfsd/nfs4acl.c:227: warning: ‘pas.other’ may be used uninitialized in this function

Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index cc3b7ba..7fd4d44 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -183,8 +183,8 @@ 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;
+
+	memset(pas, 0, sizeof(*pas));
 	pas->mask = 07;
 
 	pe = acl->a_entries + acl->a_count;
-
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