The subject need to be written by hand and they need to be unique. git log --oneline driver/file.c Copy and paste the patch prefix for each email you send. On Thu, Apr 23, 2015 at 12:35:15AM +0800, Firo Yang wrote: > Signed-off-by: Firo Yang <firogm@xxxxxxxxx> > --- > sound/pci/emu10k1/emufx.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c > index 56fc47b..8a39a6f 100644 > --- a/sound/pci/emu10k1/emufx.c > +++ b/sound/pci/emu10k1/emufx.c > @@ -1186,8 +1186,8 @@ static int _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu) > if (!icode) > return err; > > - icode->gpr_map = (u_int32_t __user *) kcalloc(512 + 256 + 256 + 2 * 1024, > - sizeof(u_int32_t), GFP_KERNEL); This cast is special. It's a Sparse thing. Since I know you have Smatch installed you can do ~/path/to/smatch/smatch_scripts/kchecker --sparse sound/pci/emu10k1/emufx.c I'm not positive if you need a __force in there? Anyway, don't remove this. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html