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Print a warning when device_add_child returns NULL. This used to be

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impossible at this point, but now it apparently is.  Grump.

Submitted by: OGAWA Takaya <t-ogawa@triaez.kaisei.org>
This commit is contained in:
Warner Losh 2001-11-02 17:31:01 +00:00
parent b2237d4d5c
commit bcf8b176bb
1 changed files with 5 additions and 0 deletions
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5
sys/pccard/pccard.c
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@ -242,6 +242,11 @@ allocate_driver(struct slot *slt, struct dev_desc *desc)
bcopy(desc->misc, devi->misc, sizeof(desc->misc));
resource_list_init(&devi->resources);
child = device_add_child(pccarddev, devi->name, desc->unit);
if (child == NULL) {
device_printf(pccardd,
"device_add_child shouldn't have failed, but did\n"");
return (EIO);
}
device_set_flags(child, desc->flags);
device_set_ivars(child, devi);
if (bootverbose) {