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dlm: verify that places expecting rcom_lock have packet long enough

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Al Viro
2008-01-25 19:55:09 -05:00
committed by David Teigland
parent cd9df1aac3
commit ae773d0b74
2 changed files with 14 additions and 1 deletions
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3
fs/dlm/lock.c
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@@ -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;