Module Name: src
Committed By: mlelstv
Date: Fri Sep 13 11:21:03 UTC 2019
Modified Files:
src/sys/dev/sdmmc: if_bwfm_sdio.c
Log Message:
Don't pass empty mbufs to the network stack.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/dev/sdmmc/if_bwfm_sdio.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/sdmmc/if_bwfm_sdio.c
diff -u src/sys/dev/sdmmc/if_bwfm_sdio.c:1.4 src/sys/dev/sdmmc/if_bwfm_sdio.c:1.5
--- src/sys/dev/sdmmc/if_bwfm_sdio.c:1.4 Sun Sep 1 05:51:45 2019
+++ src/sys/dev/sdmmc/if_bwfm_sdio.c Fri Sep 13 11:21:03 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: if_bwfm_sdio.c,v 1.4 2019/09/01 05:51:45 mlelstv Exp $ */
+/* $NetBSD: if_bwfm_sdio.c,v 1.5 2019/09/13 11:21:03 mlelstv Exp $ */
/* $OpenBSD: if_bwfm_sdio.c,v 1.1 2017/10/11 17:19:50 patrick Exp $ */
/*
* Copyright (c) 2010-2016 Broadcom Corporation
@@ -1614,6 +1614,11 @@ bwfm_sdio_rx_frames(struct bwfm_sdio_sof
break;
}
m_adj(m, hoff);
+ /* don't pass empty packet to stack */
+ if (m->m_len == 0) {
+ m_freem(m);
+ break;
+ }
bwfm_rx(&sc->sc_sc, m);
nextlen = swhdr->nextlen << 4;
break;
@@ -1752,6 +1757,11 @@ bwfm_sdio_rx_glom(struct bwfm_sdio_softc
break;
}
m_adj(m, hoff);
+ /* don't pass empty packet to stack */
+ if (m->m_len == 0) {
+ m_freem(m);
+ break;
+ }
bwfm_rx(&sc->sc_sc, m);
break;
case BWFM_SDIO_SWHDR_CHANNEL_GLOM:
