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fix a page fault that it occurred during ifp is NULL. This bug happens

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when NDIS driver's initialization is failed and NDIS driver's trying to
call NdisWriteErrorLogEntry().
This commit is contained in:
Weongyo Jeong 2008-06-11 07:55:07 +00:00
parent 3c463a49eb
commit 1f22fabdfb
1 changed files with 2 additions and 2 deletions
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4
sys/compat/ndis/subr_ndis.c
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@ -1018,7 +1018,7 @@ NdisWriteErrorLogEntry(ndis_handle adapter, ndis_error_code code,
sc = device_get_softc(dev);
ifp = sc->ifp;
if (ifp->if_flags & IFF_DEBUG) {
if (ifp != NULL && ifp->if_flags & IFF_DEBUG) {
error = pe_get_message((vm_offset_t)drv->dro_driverstart,
code, &str, &i, &flags);
if (error == 0) {
@ -1036,7 +1036,7 @@ NdisWriteErrorLogEntry(ndis_handle adapter, ndis_error_code code,
device_printf (dev, "NDIS ERROR: %x (%s)\n", code,
str == NULL ? "unknown error" : str);
if (ifp->if_flags & IFF_DEBUG) {
if (ifp != NULL && ifp->if_flags & IFF_DEBUG) {
device_printf (dev, "NDIS NUMERRORS: %x\n", numerrors);
va_start(ap, numerrors);
for (i = 0; i < numerrors; i++)