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authorn_hibma <n_hibma@FreeBSD.org>2001-06-30 10:57:37 +0000
committern_hibma <n_hibma@FreeBSD.org>2001-06-30 10:57:37 +0000
commitd5adc4c167f19e7905710cbdcc93a8489521d1c4 (patch)
treefbf33a7213457a43cc8f13d217e4253e53563b69 /sys
parente8eb8a31d4de26acf6bbdc811ed75782d01f80b4 (diff)
downloadFreeBSD-src-d5adc4c167f19e7905710cbdcc93a8489521d1c4.zip
FreeBSD-src-d5adc4c167f19e7905710cbdcc93a8489521d1c4.tar.gz
Don't free memory that has been freed already.
Null the pointer after freeing the memory. PR: 27370 Submitted by: Alec Barea <alec@barea.org> MFC after: 5 days
Diffstat (limited to 'sys')
-rw-r--r--sys/dev/usb/uhid.c2
-rw-r--r--sys/dev/usb/usbdi_util.c1
2 files changed, 1 insertions, 2 deletions
diff --git a/sys/dev/usb/uhid.c b/sys/dev/usb/uhid.c
index 869e94e..f233e17 100644
--- a/sys/dev/usb/uhid.c
+++ b/sys/dev/usb/uhid.c
@@ -230,8 +230,6 @@ USB_ATTACH(uhid)
if (err) {
printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev));
sc->sc_dying = 1;
- if (desc != NULL)
- free(desc, M_USBDEV);
USB_ATTACH_ERROR_RETURN;
}
diff --git a/sys/dev/usb/usbdi_util.c b/sys/dev/usb/usbdi_util.c
index ff48fd7..3c5b104 100644
--- a/sys/dev/usb/usbdi_util.c
+++ b/sys/dev/usb/usbdi_util.c
@@ -460,6 +460,7 @@ usbd_alloc_report_desc(ifc, descp, sizep, mem)
*sizep, *descp);
if (err) {
free(*descp, mem);
+ *descp = NULL;
return (err);
}
return (USBD_NORMAL_COMPLETION);
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