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X-OriginatorOrg: nuvoton.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Nov 2023 04:30:37.6133 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 07213b25-bdc8-4a49-b3bb-08dbe725f2d2 X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[175.98.123.7];Helo=[NTHCCAS04.nuvoton.com] X-MS-Exchange-CrossTenant-AuthSource: HK3PEPF0000021E.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEZPR03MB7266 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This issue is reproduced when W=3D1 build in compiler gcc-12. The following are sparse warnings: sound/soc/codecs/nau8822.c:199:25: sparse: sparse: incorrect type in assign= ment sound/soc/codecs/nau8822.c:199:25: sparse: expected unsigned short sound/soc/codecs/nau8822.c:199:25: sparse: got restricted __be16 sound/soc/codecs/nau8822.c:235:25: sparse: sparse: cast to restricted __be16 sound/soc/codecs/nau8822.c:235:25: sparse: sparse: cast to restricted __be16 sound/soc/codecs/nau8822.c:235:25: sparse: sparse: cast to restricted __be16 sound/soc/codecs/nau8822.c:235:25: sparse: sparse: cast to restricted __be16 Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202311122320.T1opZVkP-lkp@int= el.com/ Signed-off-by: David Lin --- sound/soc/codecs/nau8822.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c index ff3024899f45..7199d734c79f 100644 --- a/sound/soc/codecs/nau8822.c +++ b/sound/soc/codecs/nau8822.c @@ -184,6 +184,7 @@ static int nau8822_eq_get(struct snd_kcontrol *kcontrol, struct soc_bytes_ext *params =3D (void *)kcontrol->private_value; int i, reg; u16 reg_val, *val; + __be16 tmp; =20 val =3D (u16 *)ucontrol->value.bytes.data; reg =3D NAU8822_REG_EQ1; @@ -192,8 +193,8 @@ static int nau8822_eq_get(struct snd_kcontrol *kcontrol, /* conversion of 16-bit integers between native CPU format * and big endian format */ - reg_val =3D cpu_to_be16(reg_val); - memcpy(val + i, ®_val, sizeof(reg_val)); + tmp =3D cpu_to_be16(reg_val); + memcpy(val + i, &tmp, sizeof(tmp)); } =20 return 0; @@ -216,6 +217,7 @@ static int nau8822_eq_put(struct snd_kcontrol *kcontrol, void *data; u16 *val, value; int i, reg, ret; + __be16 *tmp; =20 data =3D kmemdup(ucontrol->value.bytes.data, params->max, GFP_KERNEL | GFP_DMA); @@ -228,7 +230,8 @@ static int nau8822_eq_put(struct snd_kcontrol *kcontrol, /* conversion of 16-bit integers between native CPU format * and big endian format */ - value =3D be16_to_cpu(*(val + i)); + tmp =3D (__be16 *)(val + i); + value =3D be16_to_cpup(tmp); ret =3D snd_soc_component_write(component, reg + i, value); if (ret) { dev_err(component->dev, --=20 2.25.1