From f315fd355ffaec6a9ad541081975ac821404256e Mon Sep 17 00:00:00 2001 From: Kim Lilliestierna XX Date: Mon, 25 Jun 2012 07:49:35 +0000 Subject: [PATCH] caif: Fixed potential memory leak MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Rearranged the allocation and packet creations to avoid potential leaks in error path. Signed-off-by: Kim Lilliestierna Signed-off-by: Sjur Brændeland Signed-off-by: David S. Miller --- net/caif/cfctrl.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c index 047cd0eec022..44f270fc2d06 100644 --- a/net/caif/cfctrl.c +++ b/net/caif/cfctrl.c @@ -175,15 +175,17 @@ static void init_info(struct caif_payload_info *info, struct cfctrl *cfctrl) void cfctrl_enum_req(struct cflayer *layer, u8 physlinkid) { + struct cfpkt *pkt; struct cfctrl *cfctrl = container_obj(layer); - struct cfpkt *pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); struct cflayer *dn = cfctrl->serv.layer.dn; - if (!pkt) - return; + if (!dn) { pr_debug("not able to send enum request\n"); return; } + pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); + if (!pkt) + return; caif_assert(offsetof(struct cfctrl, serv.layer) == 0); init_info(cfpkt_info(pkt), cfctrl); cfpkt_info(pkt)->dev_info->id = physlinkid; @@ -302,18 +304,17 @@ int cfctrl_linkdown_req(struct cflayer *layer, u8 channelid, struct cflayer *client) { int ret; + struct cfpkt *pkt; struct cfctrl *cfctrl = container_obj(layer); - struct cfpkt *pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); struct cflayer *dn = cfctrl->serv.layer.dn; - if (!pkt) - return -ENOMEM; - if (!dn) { pr_debug("not able to send link-down request\n"); return -ENODEV; } - + pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); + if (!pkt) + return -ENOMEM; cfpkt_addbdy(pkt, CFCTRL_CMD_LINK_DESTROY); cfpkt_addbdy(pkt, channelid); init_info(cfpkt_info(pkt), cfctrl); -- 2.20.1