net: stmmac: fix a possible endless loop
[ Upstream commit7d10f0774f
] 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. Fixes:a7c30e62d4
("net: stmmac: Add driver for Qualcomm ethqos") Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> Acked-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -413,6 +413,7 @@ static int ethqos_configure(struct qcom_ethqos *ethqos)
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dll_lock = rgmii_readl(ethqos, SDC4_STATUS);
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if (dll_lock & SDC4_STATUS_DLL_LOCK)
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break;
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retry--;
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} while (retry > 0);
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if (!retry)
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dev_err(ðqos->pdev->dev,
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