[PATCH] Use RX_BUF_SIZE to set size of RX buffer

From	Martyn Welch <martyn.welch@collabora.co.uk>
Newsgroups	linux.kernel
Subject	[PATCH] Use RX_BUF_SIZE to set size of RX buffer
Date	2017-09-28 12:00 +0200
Message-ID	<uuDLQ-7o2-21@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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The imx serial driver uses PAGE_SIZE when allocating rx_buf, but then
uses RX_BUF_SIZE (which is currently defined as PAGE_SIZE) to describe
the length of the buffer when initialising the scatter gather list.

In order to ensure that this stays consistent, use RX_BUF_SIZE in both
locations.
---
 drivers/tty/serial/imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index fe368a4..bc2f2a2f 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1165,7 +1165,7 @@ static int imx_uart_dma_init(struct imx_port *sport)
 		goto err;
 	}
 
-	sport->rx_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	sport->rx_buf = kzalloc(RX_BUF_SIZE, GFP_KERNEL);
 	if (!sport->rx_buf) {
 		ret = -ENOMEM;
 		goto err;
-- 
1.8.3.1

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[PATCH] Use RX_BUF_SIZE to set size of RX buffer Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-28 12:00 +0200
  Re: [PATCH] Use RX_BUF_SIZE to set size of RX buffer Uwe Kleine-König          <u.kleine-koenig@pengutronix.de> - 2017-09-28 12:10 +0200
    Re: [PATCH] Use RX_BUF_SIZE to set size of RX buffer Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-28 12:10 +0200

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