git: 4666ba9da903 - stable/15 - vtnet: improve consistency

The branch stable/15 has been updated by tuexen:

URL: https://cgit.FreeBSD.org/src/commit/?id=4666ba9da903bfccd3e61105cb529b0871f2e250

commit 4666ba9da903bfccd3e61105cb529b0871f2e250
Author:     Michael Tuexen <tuexen@FreeBSD.org>
AuthorDate: 2025-12-19 16:44:20 +0000
Commit:     Michael Tuexen <tuexen@FreeBSD.org>
CommitDate: 2026-01-21 19:49:07 +0000

    vtnet: improve consistency
    
    Use sbuf_new_for_sysctl() instead of sbuf_new_auto() when exposing
    the flags via sysctl.
    
    (cherry picked from commit 8da838ac31692e381adfc63d83ea49f2adabbf23)
---
 sys/dev/virtio/network/if_vtnet.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/sys/dev/virtio/network/if_vtnet.c b/sys/dev/virtio/network/if_vtnet.c
index 73f34808e008..19775416f8d4 100644
--- a/sys/dev/virtio/network/if_vtnet.c
+++ b/sys/dev/virtio/network/if_vtnet.c
@@ -4417,16 +4417,14 @@ vtnet_sysctl_features(SYSCTL_HANDLER_ARGS)
 static int
 vtnet_sysctl_flags(SYSCTL_HANDLER_ARGS)
 {
-	struct vtnet_softc *sc;
-	struct sbuf *sb;
+	struct sbuf sb;
+	struct vtnet_softc *sc = (struct vtnet_softc *)arg1;
 	int error;
 
-	sb = sbuf_new_auto();
-	sc = (struct vtnet_softc *)arg1;
-	sbuf_printf(sb, "%b", sc->vtnet_flags, VTNET_FLAGS_BITS);
-	sbuf_finish(sb);
-	error = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1);
-	sbuf_delete(sb);
+	sbuf_new_for_sysctl(&sb, NULL, 0, req);
+	sbuf_printf(&sb, "%b", sc->vtnet_flags, VTNET_FLAGS_BITS);
+	error = sbuf_finish(&sb);
+	sbuf_delete(&sb);
 	return (error);
 }