* [PATCH] ALSA: emu10k1: Remove cast from memory allocation
@ 2017-02-22 6:47 Tobin C. Harding
2017-02-22 6:59 ` Takashi Iwai
0 siblings, 1 reply; 3+ messages in thread
From: Tobin C. Harding @ 2017-02-22 6:47 UTC (permalink / raw)
To: Jaroslav Kysela, Takashi Iwai
Cc: kernel-janitors, linux-kernel, Tobin C. Harding
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 <me@tobin.cc>
---
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] ALSA: emu10k1: Remove cast from memory allocation
2017-02-22 6:47 [PATCH] ALSA: emu10k1: Remove cast from memory allocation Tobin C. Harding
@ 2017-02-22 6:59 ` Takashi Iwai
2017-02-22 10:37 ` Tobin C. Harding
0 siblings, 1 reply; 3+ messages in thread
From: Takashi Iwai @ 2017-02-22 6:59 UTC (permalink / raw)
To: Tobin C. Harding; +Cc: Jaroslav Kysela, tiwai, kernel-janitors, linux-kernel
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 <me@tobin.cc>
__user annotation requires the explicit cast.
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
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] ALSA: emu10k1: Remove cast from memory allocation
2017-02-22 6:59 ` Takashi Iwai
@ 2017-02-22 10:37 ` Tobin C. Harding
0 siblings, 0 replies; 3+ messages in thread
From: Tobin C. Harding @ 2017-02-22 10:37 UTC (permalink / raw)
To: Takashi Iwai; +Cc: Jaroslav Kysela, kernel-janitors, linux-kernel
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 <me@tobin.cc>
>
> __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
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-02-22 6:47 [PATCH] ALSA: emu10k1: Remove cast from memory allocation Tobin C. Harding
2017-02-22 6:59 ` Takashi Iwai
2017-02-22 10:37 ` Tobin C. Harding
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