* [PATCH] net: airoha: Fix non-standard return value in airoha_ppe_get_wdma_info()
@ 2026-06-13 0:22 Wayen.Yan
0 siblings, 0 replies; only message in thread
From: Wayen.Yan @ 2026-06-13 0:22 UTC (permalink / raw)
To: netdev
Cc: lorenzo, horms, pabeni, kuba, edumazet, andrew+netdev,
angelogioacchino.delregno, matthias.bgg, linux-arm-kernel,
linux-mediatek
airoha_ppe_get_wdma_info() returns -1 when the last path in the
forwarding path stack is not of type DEV_PATH_MTK_WDMA. This is not
a standard kernel error code. Replace it with -EINVAL since the
input path type is invalid from the caller's perspective.
Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
Signed-off-by: Wayen.Yan <win847@gmail.com>
---
drivers/net/ethernet/airoha/airoha_ppe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 5c9dff6..7260177 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -264,7 +264,7 @@ static int airoha_ppe_get_wdma_info(struct net_device *dev, const u8 *addr,
path = &stack.path[stack.num_paths - 1];
if (path->type != DEV_PATH_MTK_WDMA)
- return -1;
+ return -EINVAL;
info->idx = path->mtk_wdma.wdma_idx;
info->bss = path->mtk_wdma.bss;
--
2.51.0
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2026-06-13 0:22 [PATCH] net: airoha: Fix non-standard return value in airoha_ppe_get_wdma_info() Wayen.Yan
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