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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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