[rtems commit] leon, grspw_pkt: protect TX descriptor from bad input ( hdrlen)
Daniel Hellstrom
danielh at rtems.org
Thu Sep 20 10:59:54 UTC 2018
Module: rtems
Branch: master
Commit: 0aae151eba6dcfce5b6e74ea91c5da288a86d70d
Changeset: http://git.rtems.org/rtems/commit/?id=0aae151eba6dcfce5b6e74ea91c5da288a86d70d
Author: Daniel Hellstrom <daniel at gaisler.com>
Date: Mon Aug 13 11:36:03 2018 +0200
leon,grspw_pkt: protect TX descriptor from bad input (hdrlen)
---
bsps/sparc/shared/spw/grspw_pkt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/bsps/sparc/shared/spw/grspw_pkt.c b/bsps/sparc/shared/spw/grspw_pkt.c
index ff481f2..39f5087 100644
--- a/bsps/sparc/shared/spw/grspw_pkt.c
+++ b/bsps/sparc/shared/spw/grspw_pkt.c
@@ -1470,7 +1470,8 @@ STATIC int grspw_tx_schedule_send(struct grspw_dma_priv *dma)
curr_pkt->flags &= ~PKT_FLAG_TR_HDR;
}
BD_WRITE(&curr_bd->bd->haddr, hwaddr);
- ctrl = GRSPW_TXBD_EN | curr_pkt->hlen;
+ ctrl = GRSPW_TXBD_EN |
+ (curr_pkt->hlen & GRSPW_TXBD_HLEN);
} else {
ctrl = GRSPW_TXBD_EN;
}
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