svcrpc: introduce init_svc_cred

Common helper to zero out fields of the svc_cred.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index ff374ab30839..95c956613a9c 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -25,6 +25,13 @@ struct svc_cred {
         char                    *cr_principal; /* for gss */
 };
 
+static inline void init_svc_cred(struct svc_cred *cred)
+{
+        cred->cr_group_info = NULL;
+        cred->cr_principal = NULL;
+        cred->cr_gss_mech = NULL;
+}
+
 static inline void free_svc_cred(struct svc_cred *cred)
 {
         if (cred->cr_group_info)