git: 668beb3273cb - stable/13 - Fix unused variable warning in iflib.c
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Date: Sun, 24 Jul 2022 11:01:53 UTC
The branch stable/13 has been updated by dim: URL: https://cgit.FreeBSD.org/src/commit/?id=668beb3273cb9462dc5d8af4619efd450c2086a0 commit 668beb3273cb9462dc5d8af4619efd450c2086a0 Author: Dimitry Andric <dim@FreeBSD.org> AuthorDate: 2022-07-21 19:19:28 +0000 Commit: Dimitry Andric <dim@FreeBSD.org> CommitDate: 2022-07-24 11:00:09 +0000 Fix unused variable warning in iflib.c 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 (cherry picked from commit 0294e95da4aa272906d4472137b1235d8d8a7180) --- sys/net/iflib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sys/net/iflib.c b/sys/net/iflib.c index 90cc2f851804..eeeadd9c3f48 100644 --- a/sys/net/iflib.c +++ b/sys/net/iflib.c @@ -987,7 +987,6 @@ 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; @@ -1040,7 +1039,7 @@ 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]; u_int len = slot->len; uint64_t paddr;