From 965cdea825693c821d200e38fac9402cde6dce6a Mon Sep 17 00:00:00 2001 From: Wang Weidong Date: Tue, 17 Dec 2013 19:24:33 -0700 Subject: [PATCH] dccp: catch failed request_module call in dccp_probe init Check the return value of request_module during dccp_probe initialisation, bail out if that call fails. Signed-off-by: Gerrit Renker Signed-off-by: Wang Weidong Signed-off-by: David S. Miller --- net/dccp/probe.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/net/dccp/probe.c b/net/dccp/probe.c index 4c6bdf97a657..595ddf0459db 100644 --- a/net/dccp/probe.c +++ b/net/dccp/probe.c @@ -152,17 +152,6 @@ static const struct file_operations dccpprobe_fops = { .llseek = noop_llseek, }; -static __init int setup_jprobe(void) -{ - int ret = register_jprobe(&dccp_send_probe); - - if (ret) { - request_module("dccp"); - ret = register_jprobe(&dccp_send_probe); - } - return ret; -} - static __init int dccpprobe_init(void) { int ret = -ENOMEM; @@ -174,7 +163,13 @@ static __init int dccpprobe_init(void) if (!proc_create(procname, S_IRUSR, init_net.proc_net, &dccpprobe_fops)) goto err0; - ret = setup_jprobe(); + ret = register_jprobe(&dccp_send_probe); + if (ret) { + ret = request_module("dccp"); + if (!ret) + ret = register_jprobe(&dccp_send_probe); + } + if (ret) goto err1; -- 2.20.1