From: Patrice Chotard <patrice.chotard@foss.st.com>
Date: Fri, 5 Apr 2024 16:15:29 +0000 (+0200)
Subject: net: dwc_eth_qos: Fix compilation warning in eqos_free_pkt()
X-Git-Tag: v2025.01-rc5-pxa1908~558
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/%7B%7B%20.RelPermalink%20%7D%7D?a=commitdiff_plain;h=b4e9b524f785e21b6db45bd86eb580aebd02e1c2;p=u-boot.git

net: dwc_eth_qos: Fix compilation warning in eqos_free_pkt()

Fix compilation warning:

../arch/arm/include/asm/io.h: In function 'eqos_free_pkt':
../arch/arm/include/asm/io.h:103:32: warning: 'rx_desc' may be used uninitialized [-Wmaybe-uninitialized]
  103 | #define writel(v,c)     ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
      |                                ^~~
../drivers/net/dwc_eth_qos.c:1220:27: note: 'rx_desc' was declared here
 1220 |         struct eqos_desc *rx_desc;
      |                           ^~~~~~~

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
---

diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 1b4d0eda88..67d80d987f 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -1217,7 +1217,7 @@ static int eqos_free_pkt(struct udevice *dev, uchar *packet, int length)
 	struct eqos_priv *eqos = dev_get_priv(dev);
 	u32 idx, idx_mask = eqos->desc_per_cacheline - 1;
 	uchar *packet_expected;
-	struct eqos_desc *rx_desc;
+	struct eqos_desc *rx_desc = NULL;
 
 	debug("%s(packet=%p, length=%d)\n", __func__, packet, length);