diff options
| author | Daniel Drake <dsd@gentoo.org> | 2008-05-02 12:55:34 +0100 |
|---|---|---|
| committer | Daniel Drake <dsd@gentoo.org> | 2008-05-02 12:55:34 +0100 |
| commit | 55bce39cbe0c9746a428b66751d1afe551d86381 (patch) | |
| tree | c67bfb9615942b2e96ad1f219b159fe550546dad /libusb/os/linux_usbfs.c | |
| parent | f3f17846dcced6b2dc40f899ed6a2aba151c264b (diff) | |
| download | libusb-55bce39cbe0c9746a428b66751d1afe551d86381.tar.gz | |
detect short descriptor reads
Diffstat (limited to 'libusb/os/linux_usbfs.c')
| -rw-r--r-- | libusb/os/linux_usbfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libusb/os/linux_usbfs.c b/libusb/os/linux_usbfs.c index a678032..30cb9b9 100644 --- a/libusb/os/linux_usbfs.c +++ b/libusb/os/linux_usbfs.c @@ -166,7 +166,11 @@ static int initialize_device(struct libusb_device *dev, uint8_t busnum, usbi_err("read failed ret=%d errno=%d", r, errno); goto err; } - /* FIXME: short read handling? */ + if (r < DEVICE_DESC_LENGTH) { + usbi_err("short descriptor read %d/%d", r, DEVICE_DESC_LENGTH); + r = -EIO; + goto err; + } usbi_parse_descriptor(raw_desc, "bbWbbbbWWWbbbb", &dev->desc); |