d/freebsd-nq
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Correct buffer sizes used so that they match. The old code could give the

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impression that a overflow situation existed but was not possible.

Reported by:	kib
Submitted by:	Hans Petter Selasky
This commit is contained in:
Andrew Thompson 2009-09-28 07:42:59 +00:00
parent 9534110f48
commit 35e0e60378
1 changed files with 3 additions and 2 deletions
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5
sys/dev/usb/usb_device.c
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@ -2355,6 +2355,7 @@ usb_notify_addq(const char *type, struct usb_device *udev)
{
char *data = NULL;
struct malloc_type *mt;
const size_t buf_size = 512;
mtx_lock(&malloc_mtx);
mt = malloc_desc2type("bus"); /* XXX M_BUS */
@ -2362,12 +2363,12 @@ usb_notify_addq(const char *type, struct usb_device *udev)
if (mt == NULL)
return;
data = malloc(512, mt, M_NOWAIT);
data = malloc(buf_size, mt, M_NOWAIT);
if (data == NULL)
return;
/* String it all together. */
snprintf(data, 1024,
snprintf(data, buf_size,
"%s"
"%s "
"vendor=0x%04x "