Author: stas
Date: Sun Jan 18 11:17:46 2009
New Revision: 187383
URL: http://svn.freebsd.org/changeset/base/187383
Log:
- MFC r185707:
- Eliminate unused variable. [1]
- Check for runt frames entering the stack. [2]
Suggested by: ganbold[1], yongari[2]
Modified:
stable/7/sys/dev/ae/if_ae.c
Modified: stable/7/sys/dev/ae/if_ae.c
==============================================================================
--- stable/7/sys/dev/ae/if_ae.c Sun Jan 18 09:44:33 2009 (r187382)
+++ stable/7/sys/dev/ae/if_ae.c Sun Jan 18 11:17:46 2009 (r187383)
@@ -1103,12 +1103,9 @@ ae_dmamap_cb(void *arg, bus_dma_segment_
static int
ae_alloc_rings(ae_softc_t *sc)
{
- bus_dma_tag_t bustag;
bus_addr_t busaddr;
int error;
- bustag = bus_get_dma_tag(sc->dev);
-
/*
* Create parent DMA tag.
*/
@@ -1865,8 +1862,8 @@ ae_rxeof(ae_softc_t *sc, ae_rxd_t *rxd)
if_printf(ifp, "Rx interrupt occuried.\n");
#endif
size = le16toh(rxd->len) - ETHER_CRC_LEN;
- if (size < 0) {
- if_printf(ifp, "Negative length packet received.");
+ if (size < (ETHER_MIN_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)) {
+ if_printf(ifp, "Runt frame received.");
return (EIO);
}
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