linux-kernel - [PATCH] sound:remove unnecessary conversions

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Date:   Fri, 30 Sep 2022 10:55:05 +0800
From:   shijm <junming@...china.com>
To:     tiwai@...e.com
Cc:     Linux-kernel@...r.kernel.org, junming@...-china.com,
        Shi junming <junming@...china.com>
Subject: [PATCH] sound:remove unnecessary conversions

From: Shi junming <junming@...china.com>

remove unnecessary conversions

Signed-off-by: Shi junming <junming@...china.com>
---
 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 6b99310b5b88..0530cfa08892 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1344,7 +1344,7 @@ snd_pcm_sgbuf_get_chunk_size(struct snd_pcm_substream *substream,
  */
 static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area)
 {
-	struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data;
+	struct snd_pcm_substream *substream = area->vm_private_data;
 	atomic_inc(&substream->mmap_count);
 }
 
@@ -1356,7 +1356,7 @@ static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area)
  */
 static inline void snd_pcm_mmap_data_close(struct vm_area_struct *area)
 {
-	struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data;
+	struct snd_pcm_substream *substream = area->vm_private_data;
 	atomic_dec(&substream->mmap_count);
 }
 
-- 
2.18.2