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| author | Warner Losh <imp@FreeBSD.org> | 2001-11-02 17:31:01 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2001-11-02 17:31:01 +0000 |
| commit | bcf8b176bb6a2cb888330aec4b04c77da6a96489 (patch) | |
| tree | dcdfe1496449a3873b898673e91dc22eb1c32eca /sys/pccard | |
| parent | b2237d4d5cc32a357a26f7ac8da14b5479c74edc (diff) | |
| download | src-bcf8b176bb6a2cb888330aec4b04c77da6a96489.tar.gz src-bcf8b176bb6a2cb888330aec4b04c77da6a96489.zip | |
Print a warning when device_add_child returns NULL. This used to be
impossible at this point, but now it apparently is. Grump.
Submitted by: OGAWA Takaya <t-ogawa@triaez.kaisei.org>
Notes
Notes:
svn path=/head/; revision=85886
Diffstat (limited to 'sys/pccard')
| -rw-r--r-- | sys/pccard/pccard.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/pccard/pccard.c b/sys/pccard/pccard.c index dfd12fee2b1f..b730ee2fcd3d 100644 --- a/sys/pccard/pccard.c +++ b/sys/pccard/pccard.c @@ -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) { |