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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/net/stellaris_enet.c
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/hw/net/stellaris_enet.c')
-rw-r--r--qemu/hw/net/stellaris_enet.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/qemu/hw/net/stellaris_enet.c b/qemu/hw/net/stellaris_enet.c
index 21a47735d..688089494 100644
--- a/qemu/hw/net/stellaris_enet.c
+++ b/qemu/hw/net/stellaris_enet.c
@@ -6,6 +6,7 @@
*
* This code is licensed under the GPL.
*/
+#include "qemu/osdep.h"
#include "hw/sysbus.h"
#include "net/net.h"
#include <zlib.h>
@@ -235,8 +236,18 @@ static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, si
n = s->next_packet + s->np;
if (n >= 31)
n -= 31;
- s->np++;
+ if (size >= sizeof(s->rx[n].data) - 6) {
+ /* If the packet won't fit into the
+ * emulated 2K RAM, this is reported
+ * as a FIFO overrun error.
+ */
+ s->ris |= SE_INT_FOV;
+ stellaris_enet_update(s);
+ return -1;
+ }
+
+ s->np++;
s->rx[n].len = size + 6;
p = s->rx[n].data;
*(p++) = (size + 6);