From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tobin C. Harding" Date: Wed, 22 Feb 2017 10:37:59 +0000 Subject: Re: [PATCH] ALSA: emu10k1: Remove cast from memory allocation Message-Id: <20170222103759.GC30091@eros> List-Id: References: <1487746036-18181-1-git-send-email-me@tobin.cc> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Takashi Iwai Cc: Jaroslav Kysela , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org On Wed, Feb 22, 2017 at 07:59:57AM +0100, Takashi Iwai wrote: > On Wed, 22 Feb 2017 07:47:16 +0100, > Tobin C. Harding wrote: > > > > Coccinelle emits multiple WARNING: casting value returned by memory allocation > > function to (u_int32_t __user *) is useless. > > > > Remove unnecessary cast. > > > > Signed-off-by: Tobin C. Harding > > __user annotation requires the explicit cast. Ok, thanks for reviewing. Tobin. > > > Takashi > > > > --- > > 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); > > + icode->gpr_map = kcalloc(512 + 256 + 256 + 2 * 1024, > > + sizeof(u_int32_t), GFP_KERNEL); > > if (!icode->gpr_map) > > goto __err_gpr; > > controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, > > @@ -1824,8 +1824,8 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) > > if (!icode) > > return err; > > > > - icode->gpr_map = (u_int32_t __user *) kcalloc(256 + 160 + 160 + 2 * 512, > > - sizeof(u_int32_t), GFP_KERNEL); > > + icode->gpr_map = kcalloc(256 + 160 + 160 + 2 * 512, > > + sizeof(u_int32_t), GFP_KERNEL); > > if (!icode->gpr_map) > > goto __err_gpr; > > > > -- > > 2.7.4 > > > > -- Tobin Harding http://tobin.cc