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Suppress unused variable warning in ip_dummynet.c

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With clang 15, the following -Werror warning is produced:

    sys/netpfil/ipfw/ip_dummynet.c:802:6: error: variable 'n' set but not used [-Werror,-Wunused-but-set-variable]
            int n = 0; /* only for stats */
                ^

Here, 'n' is a variable that is only used when debugging. Mark the
variable as potentially unused, to suppress the warning.

MFC after:	3 days
This commit is contained in:
Dimitry Andric 2022-07-19 21:43:46 +02:00
parent 3dbe05f61b
commit 5c329f0a4d
1 changed files with 1 additions and 1 deletions
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2
sys/netpfil/ipfw/ip_dummynet.c
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@ -799,7 +799,7 @@ static void
fsk_detach_list(struct dn_fsk_head *h, int flags)
{
struct dn_fsk *fs;
int n = 0; /* only for stats */
int n __unused = 0; /* only for stats */
ND("head %p flags %x", h, flags);
while ((fs = SLIST_FIRST(h))) {