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Fix unused variable warning in iflib.c

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

    sys/net/iflib.c:993:8: error: variable 'n' set but not used [-Werror,-Wunused-but-set-variable]
            u_int n;
                  ^

The 'n' variable appears to have been a debugging aid that has never
been used for anything, so remove it.

MFC after:	3 days
This commit is contained in:
Dimitry Andric 2022-07-21 21:19:28 +02:00
parent fa267a329f
commit 0294e95da4
1 changed files with 1 additions and 2 deletions
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3
sys/net/iflib.c
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@ -990,7 +990,6 @@ iflib_netmap_txsync(struct netmap_kring *kring, int flags)
struct netmap_ring *ring = kring->ring;
u_int nm_i; /* index into the netmap kring */
u_int nic_i; /* index into the NIC ring */
u_int n;
u_int const lim = kring->nkr_num_slots - 1;
u_int const head = kring->rhead;
struct if_pkt_info pi;
@ -1043,7 +1042,7 @@ iflib_netmap_txsync(struct netmap_kring *kring, int flags)
__builtin_prefetch(&txq->ift_sds.ifsd_m[nic_i]);
__builtin_prefetch(&txq->ift_sds.ifsd_map[nic_i]);
for (n = 0; nm_i != head; n++) {
while (nm_i != head) {
struct netmap_slot *slot = &ring->slot[nm_i];
uint64_t offset = nm_get_offset(kring, slot);
u_int len = slot->len;