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Fix access-after-free bug added in revision 1.31.

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Detected by:	INVARIANTS
MFC after:	2 days
This commit is contained in:
Archie Cobbs 2001-12-15 19:59:28 +00:00
parent 4bb107882e
commit 5c2c21f4a9
1 changed files with 5 additions and 4 deletions
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9
sys/pci/if_sis.c
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@ -430,6 +430,7 @@ static device_t sis_find_bridge(dev)
device_t *pci_children;
int pci_childcount = 0;
device_t *busp, *childp;
device_t child = NULL;
int i, j;
if ((pci_devclass = devclass_find("pci")) == NULL)
@ -444,16 +445,16 @@ static device_t sis_find_bridge(dev)
j < pci_childcount; j++, childp++) {
if (pci_get_vendor(*childp) == SIS_VENDORID &&
pci_get_device(*childp) == 0x0008) {
free(pci_devices, M_TEMP);
free(pci_children, M_TEMP);
return(*childp);
child = *childp;
goto done;
}
}
}
done:
free(pci_devices, M_TEMP);
free(pci_children, M_TEMP);
return(NULL);
return(child);
}
static void sis_read_cmos(sc, dev, dest, off, cnt)