depau/libfprint
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

aes4000: Fix possible crash if USB init fails

Browse source 
The code was indented, but only the first call was actually in the
conditional, which meant that initialisation carried on as normal on top
of a failed USB device. Exit early and remove the conditional to fix
this.

https://bugzilla.gnome.org/show_bug.cgi?id=98594
This commit is contained in:
Bastien Nocera 2016-11-05 00:12:46 +01:00
parent 8454a25ecf
commit 76269decdd
1 changed files with 11 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
libfprint/drivers/aes4000.c
View file

@ -127,15 +127,16 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
struct aes3k_dev *aesdev;
r = libusb_claim_interface(dev->udev, 0);
if (r < 0)
if (r < 0) {
fp_err("could not claim interface 0: %s", libusb_error_name(r));
return r;
}
aesdev = dev->priv = g_malloc0(sizeof(struct aes3k_dev));
if (!aesdev)
return -ENOMEM;
if (r == 0)
aesdev->data_buflen = DATA_BUFLEN;
aesdev->frame_width = FRAME_WIDTH;
aesdev->frame_size = FRAME_SIZE;