Module Name: src
Committed By: thorpej
Date: Mon Aug 22 15:59:42 UTC 2022
Modified Files:
src/sys/dev/pci: if_ale.c
Log Message:
ale_encap(): Fix error logic in previous change for when the defrag works,
but DMA mapping fails to use DMA resource shortage.
To generate a diff of this commit:
cvs rdiff -u -r1.42 -r1.43 src/sys/dev/pci/if_ale.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/if_ale.c
diff -u src/sys/dev/pci/if_ale.c:1.42 src/sys/dev/pci/if_ale.c:1.43
--- src/sys/dev/pci/if_ale.c:1.42 Mon Aug 22 15:43:49 2022
+++ src/sys/dev/pci/if_ale.c Mon Aug 22 15:59:42 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: if_ale.c,v 1.42 2022/08/22 15:43:49 thorpej Exp $ */
+/* $NetBSD: if_ale.c,v 1.43 2022/08/22 15:59:42 thorpej Exp $ */
/*-
* Copyright (c) 2008, Pyun YongHyeon <[email protected]>
@@ -32,7 +32,7 @@
/* Driver for Atheros AR8121/AR8113/AR8114 PCIe Ethernet. */
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ale.c,v 1.42 2022/08/22 15:43:49 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ale.c,v 1.43 2022/08/22 15:59:42 thorpej Exp $");
#include "vlan.h"
@@ -931,14 +931,19 @@ ale_encap(struct ale_softc *sc, struct m
KASSERT(m == mnew);
error = bus_dmamap_load_mbuf(sc->sc_dmat, map, mnew,
BUS_DMA_NOWAIT);
+ } else {
+ /* Just drop if we can't defrag. */
+ error = EFBIG;
}
- if (mnew == NULL || error == EFBIG) {
- printf("%s: Tx packet consumes too many "
- "DMA segments, dropping...\n",
- device_xname(sc->sc_dev));
- return EFBIG;
+ if (error) {
+ if (error == EFBIG) {
+ printf("%s: Tx packet consumes too many "
+ "DMA segments, dropping...\n",
+ device_xname(sc->sc_dev));
+ }
+ return error;
}
- } else if (error != 0) {
+ } else if (error) {
return error;
}
