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aes1610: fix memory corruption introduced by a457658f1b

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This commit is contained in:
Vasily Khoruzhick
2015-09-19 10:28:49 -07:00
parent 6e8d5cd6a1
commit 6664f87d8f
1 changed files with 8 additions and 5 deletions
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13
libfprint/drivers/aes1610.c
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@@ -579,11 +579,14 @@ static void capture_read_strip_cb(struct libusb_transfer *transfer)
}
if (sum > 0) {
/* FIXME: would preallocating strip buffers be a decent optimization? */
stripdata = g_malloc(128 * 4);
memcpy(stripdata, data + 1, 128 * 4);
aesdev->strips = g_slist_prepend(aesdev->strips, stripdata);
aesdev->strips_len++;
/* FIXME: would preallocating strip buffers be a decent optimization? */
struct aes_stripe *stripe = g_malloc(FRAME_WIDTH * (FRAME_HEIGHT / 2) + sizeof(struct aes_stripe));
stripe->delta_x = 0;
stripe->delta_y = 0;
stripdata = stripe->data;
memcpy(stripdata, data + 1, FRAME_WIDTH * (FRAME_HEIGHT / 2));
aesdev->strips = g_slist_prepend(aesdev->strips, stripe);
aesdev->strips_len++;
aesdev->blanks_count = 0;
}