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Commit f797fcd5 authored by Sunil Paidimarri's avatar Sunil Paidimarri
Browse files

net: stmmac: fix a possible endless loop 



Port a fix from 5.4.
It forgot to reduce the value of the variable retry in a while loop
in the ethqos_configure() function. It may cause an endless loop and
without timeout.

Change-Id: Icf3887476de6bee7976eb020d18fc9f733324599
Acked-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarSunil Paidimarri <hisunil@codeaurora.org>
parent 9163a6bb

drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c

+1 −0
Original line number Diff line number Diff line
@@ -862,6 +862,7 @@ static int ethqos_configure(struct qcom_ethqos *ethqos) 
			dll_lock = rgmii_readl(ethqos, SDC4_STATUS);

			if (dll_lock & SDC4_STATUS_DLL_LOCK)

				break;

			retry--;

		} while (retry > 0);

		if (!retry)

			dev_err(&ethqos->pdev->dev,