Kulikov Vasiliy schrieb:
> kmalloc() may fail, if so return error from zfwUsbSubmitControl().
>
> Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
> ---
> drivers/staging/otus/wrap_usb.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/otus/wrap_usb.c b/drivers/staging/otus/wrap_usb.c
> index 93459ca..9f04047 100644
> --- a/drivers/staging/otus/wrap_usb.c
> +++ b/drivers/staging/otus/wrap_usb.c
> @@ -104,6 +104,11 @@ u32_t zfwUsbSubmitControl(zdev_t *dev, u8_t req, u16_t value, u16_t index,
>
> if (size > 0) {
> buf = kmalloc(size, GFP_KERNEL);
> + if (buf == NULL) {
> + pr_err("zfwUsbSubmitControl() failed, "
> + "kmalloc() returned NULL\n");
> + return 1;
> + }
> memcpy(buf, (u8_t *)data, size);
> } else
> buf = NULL;
We had a memdup() somewhere had'nt we ?
re,
wh
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