linux-kernel - [PATCH] dma-buf: Use fdget()

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Date:   Fri, 5 May 2023 10:18:47 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <sumit.semwal@...aro.org>
Cc:     <christian.koenig@....com>, <linux-media@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        <linaro-mm-sig@...ts.linaro.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] dma-buf: Use fdget()

From: Ye Xingchen <ye.xingchen@....com.cn>

convert the fget() use to fdget().

Signed-off-by: Ye Xingchen <ye.xingchen@....com.cn>
---
 drivers/dma-buf/dma-buf.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index aa4ea8530cb3..bf4980b6f80c 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -729,19 +729,17 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_fd, DMA_BUF);
  */
 struct dma_buf *dma_buf_get(int fd)
 {
-	struct file *file;
-
-	file = fget(fd);
+	struct fd f = fdget(fd);

-	if (!file)
+	if (!f.file)
 		return ERR_PTR(-EBADF);

-	if (!is_dma_buf_file(file)) {
-		fput(file);
+	if (!is_dma_buf_file(f.file)) {
+		fdput(f);
 		return ERR_PTR(-EINVAL);
 	}

-	return file->private_data;
+	return f.file->private_data;
 }
 EXPORT_SYMBOL_NS_GPL(dma_buf_get, DMA_BUF);

-- 
2.25.