Messages in this thread | | | Date | Fri, 11 Jun 2010 15:03:41 -0700 | From | "Justin P. Mattock" <> | Subject | Re: [PATCH 2/6]kernel:audit.c Fix warning: variable 'nlh' set but not used |
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On 06/11/2010 02:14 PM, Geert Uytterhoeven wrote: > On Fri, Jun 11, 2010 at 22:41, Justin P. Mattock > <justinmattock@gmail.com> wrote: >> Removing dead code(hopefully), fixes a warning > > This is not dead code. NLMSG_NEW() sets up an nlmsg in ab->skb. > If you remove the code, it's no longer initialized. >
o.k... this one did confuse me a bit, so at the end I just sent in this one which does remove the function but does not fix the warning of nlh not being used
>> when compiling the kernel. >> >> CC kernel/audit.o >> kernel/audit.c: In function 'audit_buffer_alloc': >> kernel/audit.c:1044:19: warning: variable 'nlh' set but not used >> CC kernel/auditfilter.o >> >> Signed-off-by: Justin P. Mattock<justinmattock@gmail.com> >> >> --- >> kernel/audit.c | 6 ++---- >> 1 files changed, 2 insertions(+), 4 deletions(-) >> >> diff --git a/kernel/audit.c b/kernel/audit.c >> index c71bd26..783d958 100644 >> --- a/kernel/audit.c >> +++ b/kernel/audit.c >> @@ -1041,8 +1041,7 @@ static struct audit_buffer * audit_buffer_alloc(struct audit_context *ctx, >> { >> unsigned long flags; >> struct audit_buffer *ab = NULL; >> - struct nlmsghdr *nlh; >> - >> + >> spin_lock_irqsave(&audit_freelist_lock, flags); >> if (!list_empty(&audit_freelist)) { >> ab = list_entry(audit_freelist.next, >> @@ -1065,8 +1064,7 @@ static struct audit_buffer * audit_buffer_alloc(struct audit_context *ctx, >> if (!ab->skb) >> goto nlmsg_failure; >> >> - nlh = NLMSG_NEW(ab->skb, 0, 0, type, 0, 0); >> - >> + >> return ab; >> >> nlmsg_failure: /* Used by NLMSG_NEW */ > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds >
if you have any ideas/patches then let me know I can test it out and see.
Justin P. Mattock
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