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authordg <dg@FreeBSD.org>1998-10-11 06:28:54 +0000
committerdg <dg@FreeBSD.org>1998-10-11 06:28:54 +0000
commit3bc215db7d7ede07c592612e203e54ee6918bf73 (patch)
treeef8d547aad01ae94890a3816f8c612b56b4d52d2 /sys/dev/fxp
parent9f6be4544f509927259a82167ec7218315a7bf97 (diff)
downloadFreeBSD-src-3bc215db7d7ede07c592612e203e54ee6918bf73.zip
FreeBSD-src-3bc215db7d7ede07c592612e203e54ee6918bf73.tar.gz
Clear out transmit descriptor memory in fxp_attach when it's malloced.
fxp_stop is called as the first thing in fxp_init, and if the tx desc list has junk in it, the system may panic. This bug showed up as a side effect of the changes in rev 1.56, but has been in the code since the beginning.
Diffstat (limited to 'sys/dev/fxp')
-rw-r--r--sys/dev/fxp/if_fxp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/fxp/if_fxp.c b/sys/dev/fxp/if_fxp.c
index 50527d4..750e268 100644
--- a/sys/dev/fxp/if_fxp.c
+++ b/sys/dev/fxp/if_fxp.c
@@ -27,7 +27,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: if_fxp.c,v 1.55 1998/08/04 08:53:12 dg Exp $
+ * $Id: if_fxp.c,v 1.56 1998/10/10 19:26:40 dg Exp $
*/
/*
@@ -641,6 +641,7 @@ fxp_attach_common(sc, enaddr)
M_DEVBUF, M_NOWAIT);
if (sc->cbl_base == NULL)
goto fail;
+ bzero(sc->cbl_base, sizeof(struct fxp_cb_tx) * FXP_NTXCB);
sc->fxp_stats = malloc(sizeof(struct fxp_stats), M_DEVBUF, M_NOWAIT);
if (sc->fxp_stats == NULL)
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