i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Don't crash the kernel when getting a NULL mbuf. I can now ping the

Browse Source 
Haiku box (with the SiS 900 driver) :-)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16779 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-03-14 01:07:01 +00:00
parent 3f56c07d8f
commit 2e37884ff0
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/add-ons/kernel/network/core/core.c
+8 -3
View File
@@ -232,7 +232,8 @@ control_net_module(const char *name, uint32 op, void *data, size_t length)
} }
static int32 if_thread(void *data) static int32
if_thread(void *data)
{ {
struct ifnet *i = (struct ifnet *)data; struct ifnet *i = (struct ifnet *)data;
status_t status; status_t status;
@@ -243,8 +244,12 @@ static int32 if_thread(void *data)
struct mbuf *mb = m_devget(buffer, status, 0, i, NULL); struct mbuf *mb = m_devget(buffer, status, 0, i, NULL);
if (!(i->if_flags & IFF_UP)) if (!(i->if_flags & IFF_UP))
break; break;
IFQ_ENQUEUE(i->devq, mb);
atomic_add(&i->if_ipackets, 1); if (mb != NULL) {
IFQ_ENQUEUE(i->devq, mb);
atomic_add(&i->if_ipackets, 1);
}
len = ETHER_MAX_LEN; len = ETHER_MAX_LEN;
} }
printf("%s: terminating if_thread\n", i->if_name); printf("%s: terminating if_thread\n", i->if_name);