On Tue, Oct 15, 2024 at 10:45:58PM +0200, Kees Bakker wrote: > In ni_usb_read() there was a kfree before the last use of in_data. > > Signed-off-by: Kees Bakker <kees@xxxxxxxxxxxx> > --- > drivers/staging/gpib/ni_usb/ni_usb_gpib.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/gpib/ni_usb/ni_usb_gpib.c b/drivers/staging/gpib/ni_usb/ni_usb_gpib.c > index 1da263676f2a..75f39e1f3ed1 100644 > --- a/drivers/staging/gpib/ni_usb/ni_usb_gpib.c > +++ b/drivers/staging/gpib/ni_usb/ni_usb_gpib.c > @@ -690,12 +690,12 @@ static int ni_usb_read(gpib_board_t *board, uint8_t *buffer, size_t length, > kfree(in_data); > return parse_retval; > } > - kfree(in_data); > if (actual_length != length - status.count) { > pr_err("%s: actual_length=%i expected=%li\n", > __func__, actual_length, (long)(length - status.count)); > ni_usb_dump_raw_block(in_data, usb_bytes_read); > } > + kfree(in_data); > switch (status.error_code) { > case NIUSB_NO_ERROR: > retval = 0; Does not apply to my tree, what branch did you make this against? thanks, greg k-h