Re: [PATCH RESEND v1 2/3] ALSA: hda: cs35l41: Fix endian conversions

From: Stefan Binding
Date: Mon Jun 05 2023 - 08:51:22 EST


Hi Takashi,

On 05/06/2023 08:21, Takashi Iwai wrote:
On Thu, 25 May 2023 15:59:54 +0200,
Stefan Binding wrote:
@@ -379,10 +379,10 @@ static int cs35l41_save_calibration(struct cs35l41_hda *cs35l41)
/* Calibration can only be applied whilst the DSP is not running */
ret = cs35l41_apply_calibration(cs35l41,
- cpu_to_be32(cl->calAmbient),
- cpu_to_be32(cl->calR),
- cpu_to_be32(cl->calStatus),
- cpu_to_be32(cl->calR + 1));
+ (__be32)cpu_to_be32(cl->calAmbient),
+ (__be32)cpu_to_be32(cl->calR),
+ (__be32)cpu_to_be32(cl->calStatus),
+ (__be32)cpu_to_be32(cl->calR + 1));
Do we really need those cast? Even if yes, it must be with __force
prefix for the endian cast in general.

These casts were added because we found some warnings when we ran the static analyzer sparse locally.
I think these warnings are very minor, and we can drop this patch if you prefer?

Thanks,

Stefan


thanks,

Takashi