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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: 8w0+VqHtd3YMbuwXrI0Kkc8Cx6weGt5Ma4fkhyXZDuvdtRJYxhwsuBV6M350+qdjKJgPdcvLU3u2Y0r4S6zqQSy92udP338I7WseUBidYunk3G7itpNdV+0fXw8txcI8Kplzm0Yo1aN8L0T/eAAZ4+zr/Hh5qDPm/al0cHFZCmJg0z5/UwFVI/J+JwX66YeFX0DHQRvtrzvzwdYFkBOo+AL/4Iped2VXPAB7dYcGeLPfowKsYWSjY7koeo8K0ETJ9BdRrCWEI5ouNr5Vo0w0Z7nJdqznptK1dpsKEHyEKVUeuH7QJyyORbLx3eAruq5i7eGAULkEvBJHq1YjGirKWkSTro1NrpnIqsIOc8n7M/g= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: b672b653-ba71-4917-1b30-08d6145a3274 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Sep 2018 00:37:24.6539 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0839 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Takashi Iwai [ Upstream commit 95a48b7d4459948b6bacf809809cf01a7dc06d1d ] The snd_pcm_lib_read() and snd_pcm_lib_write() inline functions have the explicit cast from a user pointer to a kernel pointer, but they lacks of __force prefix. This fixes sparse warnings like: ./include/sound/pcm.h:1093:47: warning: cast removes address space of exp= ression Fixes: 68541213720d ("ALSA: pcm: Direct in-kernel read/write support") Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- include/sound/pcm.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 24febf9e177c..5087200599f1 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1081,14 +1081,14 @@ static inline snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t frames) { - return __snd_pcm_lib_xfer(substream, (void *)buf, true, frames, false); + return __snd_pcm_lib_xfer(substream, (void __force *)buf, true, frames, f= alse); } =20 static inline snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __user *buf, snd_pcm_uframes_t frames) { - return __snd_pcm_lib_xfer(substream, (void *)buf, true, frames, false); + return __snd_pcm_lib_xfer(substream, (void __force *)buf, true, frames, f= alse); } =20 static inline snd_pcm_sframes_t --=20 2.17.1