On Sun, 2015-04-19 at 23:58 +0200, Yorick Rommers wrote: > Hello Joe, > > Thank you once again for the feedback. > I've changed my patch accordingly, see below. > > -------------------------------------- > > A patch for a line being too long (>80) in dgnc_mgmt.c, > fixed by making a temporary value for dgnc_Board[brd], > replacing all instanced of dgnc_Board[brd] with temporary value, > and removing unnecessary typecasts. > > Signed-off-by: Yorick Rommers <yorick-romm...@hotmail.com> > --- > drivers/staging/dgnc/dgnc_mgmt.c | 17 +++++++++-------- > 1 file changed, 9 insertions(+), 8 deletions(-) > > diff --git a/drivers/staging/dgnc/dgnc_mgmt.c > b/drivers/staging/dgnc/dgnc_mgmt.c > index b13318a..0437117 100644 > --- a/drivers/staging/dgnc/dgnc_mgmt.c > +++ b/drivers/staging/dgnc/dgnc_mgmt.c > @@ -131,6 +131,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, > unsigned long arg) > int brd; > > struct digi_info di; > + struct dgnc_board *bd = dgnc_Board[brd];
Please read the code. brd is got from userspace and you've dereferenced it before getting the value from userspace. > if (copy_from_user(&brd, uarg, sizeof(int))) > return -EFAULT; Look again at the code I suggested. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/