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Message-Id: <11870848441284-git-send-email-swhiteho@redhat.com>
Date: Tue, 14 Aug 2007 10:47:06 +0100
From: swhiteho@...hat.com
To: linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc: David Teigland <teigland@...hat.com>,
Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH] [DLM] fix NULL ls usage
From: David Teigland <teigland@...hat.com>
Fix regression in recent patch "[DLM] variable allocation" which
attempts to dereference an "ls" struct when it's NULL.
Signed-off-by: David Teigland <teigland@...hat.com>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index e3a1527..188b91c 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -386,8 +386,7 @@ static void receive_rcom_lock_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
dlm_recover_process_copy(ls, rc_in);
}
-static int send_ls_not_ready(struct dlm_ls *ls, int nodeid,
- struct dlm_rcom *rc_in)
+static int send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in)
{
struct dlm_rcom *rc;
struct rcom_config *rf;
@@ -395,7 +394,7 @@ static int send_ls_not_ready(struct dlm_ls *ls, int nodeid,
char *mb;
int mb_len = sizeof(struct dlm_rcom) + sizeof(struct rcom_config);
- mh = dlm_lowcomms_get_buffer(nodeid, mb_len, ls->ls_allocation, &mb);
+ mh = dlm_lowcomms_get_buffer(nodeid, mb_len, GFP_NOFS, &mb);
if (!mh)
return -ENOBUFS;
memset(mb, 0, mb_len);
@@ -465,7 +464,7 @@ void dlm_receive_rcom(struct dlm_header *hd, int nodeid)
log_print("lockspace %x from %d type %x not found",
hd->h_lockspace, nodeid, rc->rc_type);
if (rc->rc_type == DLM_RCOM_STATUS)
- send_ls_not_ready(ls, nodeid, rc);
+ send_ls_not_ready(nodeid, rc);
return;
}
--
1.5.1.2
-
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