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| author | David S. Miller <davem@davemloft.net> | 2011-12-01 23:45:49 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-01 23:45:49 +0400 |
| commit | d984e6197ecd2babc1537f42dc1e676133005cda (patch) | |
| tree | 59bebd70ee13d33a7ffbedef060fead93ee6576a /net/dccp | |
| parent | 65698610f58153eb7621be3fb4f57ca318b19c60 (diff) | |
| download | linux-d984e6197ecd2babc1537f42dc1e676133005cda.tar.xz | |
dccp: Fix compile warning in probe code.
Commit 1386be55e32a3c5d8ef4a2b243c530a7b664c02c ("dccp: fix
auto-loading of dccp(_probe)") fixed a bug but created a new
compiler warning:
net/dccp/probe.c: In function ‘dccpprobe_init’:
net/dccp/probe.c:166:2: warning: the omitted middle operand in ?: will always be ‘true’, suggest explicit middle operand [-Wparentheses]
try_then_request_module() is built for situations where the
"existence" test is some lookup function that returns a non-NULL
object on success, and with a reference count of some kind held.
Here we're looking for a success return of zero from the jprobe
registry.
Instead of fighting the way try_then_request_module() works, simply
open code what we want to happen in a local helper function.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
| -rw-r--r-- | net/dccp/probe.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/net/dccp/probe.c b/net/dccp/probe.c index 33d0e6297c21..0a8d6ebd9b45 100644 --- a/net/dccp/probe.c +++ b/net/dccp/probe.c @@ -152,6 +152,17 @@ 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; @@ -163,8 +174,7 @@ static __init int dccpprobe_init(void) if (!proc_net_fops_create(&init_net, procname, S_IRUSR, &dccpprobe_fops)) goto err0; - try_then_request_module((ret = register_jprobe(&dccp_send_probe)) == 0, - "dccp"); + ret = setup_jprobe(); if (ret) goto err1; |