Messages in this thread | | | Date | Sat, 16 Feb 2013 18:27:16 +0800 | From | Jeff Liu <> | Subject | Re: [RESEND] [PATCH] kernel/res_counter.c: remove useless return statement at res_counter_member() |
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Hi Andrew and David,
On 02/15/2013 07:21 AM, Andrew Morton wrote: > On Sat, 02 Feb 2013 13:04:52 +0800 > Jeff Liu <jeff.liu@oracle.com> wrote: > >> The return statement after BUG() is invalid, move BUG() to the default choice of the switch. >> >> Signed-off-by: Jie Liu <jeff.liu@oracle.com> >> --- >> kernel/res_counter.c | 5 ++--- >> 1 file changed, 2 insertions(+), 3 deletions(-) >> >> diff --git a/kernel/res_counter.c b/kernel/res_counter.c >> index ff55247..748a3bc 100644 >> --- a/kernel/res_counter.c >> +++ b/kernel/res_counter.c >> @@ -135,10 +135,9 @@ res_counter_member(struct res_counter *counter, int member) >> return &counter->failcnt; >> case RES_SOFT_LIMIT: >> return &counter->soft_limit; >> + default: >> + BUG(); >> }; >> - >> - BUG(); >> - return NULL; >> } >> >> ssize_t res_counter_read(struct res_counter *counter, int member, > > I expect it was done that way to avoid a hey-theres-no-return-statement > warning when CONFIG_BUG=n. > Sorry for my late response, I just got back from vacation. So it's better to keep it as it is.
Thanks, -Jeff
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