diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/gspca/ov519.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c index cb41e61d50dd..1e9835dc24d4 100644 --- a/drivers/media/usb/gspca/ov519.c +++ b/drivers/media/usb/gspca/ov519.c @@ -3487,6 +3487,11 @@ static void ov511_mode_init_regs(struct sd *sd) return; } + if (alt->desc.bNumEndpoints < 1) { + sd->gspca_dev.usb_err = -ENODEV; + return; + } + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); reg_w(sd, R51x_FIFO_PSIZE, packet_size >> 5); @@ -3613,6 +3618,11 @@ static void ov518_mode_init_regs(struct sd *sd) return; } + if (alt->desc.bNumEndpoints < 1) { + sd->gspca_dev.usb_err = -ENODEV; + return; + } + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2); |