dlm: verify that places expecting rcom_lock have packet long enough

[mv-sheeva.git] / fs / dlm / lock.c

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 75176b58ae04af917241536283f723900e786871..6c605fc106136c1b5bf75a47165d909b1a37bc26 100644 (file)
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -4266,6 +4266,7 @@ static struct dlm_lkb *search_remid(struct dlm_rsb *r, int nodeid,
        return NULL;
 }
 
+/* needs at least dlm_rcom + rcom_lock */
 static int receive_rcom_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
                                  struct dlm_rsb *r, struct dlm_rcom *rc)
 {
@@ -4315,6 +4316,7 @@ static int receive_rcom_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
    the given values and send back our lkid.  We send back our lkid by sending
    back the rcom_lock struct we got but with the remid field filled in. */
 
+/* needs at least dlm_rcom + rcom_lock */
 int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
 {
        struct rcom_lock *rl = (struct rcom_lock *) rc->rc_buf;
@@ -4370,6 +4372,7 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
        return error;
 }
 
+/* needs at least dlm_rcom + rcom_lock */
 int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
 {
        struct rcom_lock *rl = (struct rcom_lock *) rc->rc_buf;