diff options
| author | Wang Weidong <wangweidong1@huawei.com> | 2013-12-17 19:24:33 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-19 19:25:50 -0500 |
| commit | 965cdea825693c821d200e38fac9402cde6dce6a (patch) | |
| tree | df435cb3a5a93046922c88d6de39c221c175a219 /net | |
| parent | b1aca94efa566551e3ea5ed6ee4adc068ae86d1c (diff) | |
| download | lwn-965cdea825693c821d200e38fac9402cde6dce6a.tar.gz lwn-965cdea825693c821d200e38fac9402cde6dce6a.zip | |
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 <gerrit@erg.abdn.ac.uk>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/dccp/probe.c | 19 |
1 files 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; |