diff options
| -rw-r--r-- | drivers/net/usb/cdc_ncm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4cff0a6b1098..1c9a1b94f6e2 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -177,6 +177,8 @@ static u32 cdc_ncm_check_tx_max(struct usbnet *dev, u32 new_tx) /* clamp new_tx to sane values */ min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16); max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize)); + if (max == 0) + max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */ /* some devices set dwNtbOutMaxSize too low for the above default */ min = min(min, max); |