linux-kernel - [PATCH] dma-buf: Use max3() instead of nested max()

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Message-Id: <20250225133502.28084-1-qasdev00@gmail.com>
Date: Tue, 25 Feb 2025 13:35:02 +0000
From: Qasim Ijaz <qasdev00@...il.com>
To: sumit.semwal@...aro.org,
	benjamin.gaignard@...labora.com,
	Brian.Starkey@....com,
	jstultz@...gle.com,
	tjmercier@...gle.com,
	christian.koenig@....com
Cc: 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 max3() instead of nested max()

Use the well-known max3() macro instead of nesting max()
to find the maximum between in_size, out_size and drv_size.

Signed-off-by: Qasim Ijaz <qasdev00@...il.com>
---
 drivers/dma-buf/dma-heap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index 3cbe87d4a464..96cb9ab5731a 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -147,7 +147,7 @@ static long dma_heap_ioctl(struct file *file, unsigned int ucmd,
 		in_size = 0;
 	if ((ucmd & kcmd & IOC_OUT) == 0)
 		out_size = 0;
-	ksize = max(max(in_size, out_size), drv_size);
+	ksize = max3(in_size, out_size, drv_size);
 
 	/* If necessary, allocate buffer for ioctl argument */
 	if (ksize > sizeof(stack_kdata)) {
-- 
2.39.5