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Subject[PATCH 1/4] serial: pch_uart: Delete an error message for a failed memory allocation in dma_handle_tx()
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 8 Dec 2017 18:28:20 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/tty/serial/pch_uart.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 760d5dd0aada..0fc72c491c9b 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -992,10 +992,8 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
priv->tx_dma_use = 1;

priv->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC);
- if (!priv->sg_tx_p) {
- dev_err(priv->port.dev, "%s:kzalloc Failed\n", __func__);
+ if (!priv->sg_tx_p)
return 0;
- }

sg_init_table(priv->sg_tx_p, num); /* Initialize SG table */
sg = priv->sg_tx_p;
--
2.15.1
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