diff options
| author | imp <imp@FreeBSD.org> | 2003-09-05 03:08:08 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 2003-09-05 03:08:08 +0000 |
| commit | e4939ef70d19ccdf0ded64f018e067ceb3c9e6bf (patch) | |
| tree | 315a646e92d8b420a60a23a420c899a0bd20a959 | |
| parent | 7bc9af7ebb66a587ff51554c03e76739020f82ac (diff) | |
| download | FreeBSD-src-e4939ef70d19ccdf0ded64f018e067ceb3c9e6bf.zip FreeBSD-src-e4939ef70d19ccdf0ded64f018e067ceb3c9e6bf.tar.gz | |
Whacked out CIS configurations can cause us to not have any child. When
such a card is ejected, we'd panic. Instead, just ignore it.
I should also add a sanity check in the FUNCID code as well, but this
isn't wrong since the check is cheap and happens infrequently.
| -rw-r--r-- | sys/dev/pccard/pccard.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/pccard/pccard.c b/sys/dev/pccard/pccard.c index 055cdfd..368560f 100644 --- a/sys/dev/pccard/pccard.c +++ b/sys/dev/pccard/pccard.c @@ -284,14 +284,16 @@ pccard_detach_card(device_t dev) struct pccard_softc *sc = PCCARD_SOFTC(dev); struct pccard_function *pf; struct pccard_config_entry *cfe; + int state; /* * We are running on either the PCCARD socket's event thread * or in user context detaching a device by user request. */ STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { - int state = device_get_state(pf->dev); - + if (pf->dev == NULL) + continue; + state = device_get_state(pf->dev); if (state == DS_ATTACHED || state == DS_BUSY) device_detach(pf->dev); if (pf->cfe != NULL) |
