Commit 9454360d authored Oct 20, 2017 by Jose Abreu Committed by David S. Miller Oct 22, 2017

net: stmmac: Prevent infinite loop in get_rx_timestamp_status()

Prevent infinite loop by correctly setting the loop condition to
break when i == 10.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 98870943

drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -275,7 +275,7 @@ static int dwmac4_wrback_get_rx_timestamp_status(void *desc, u32 ats)
		goto exit;
		i++;

		} while ((ret == 1) \|\| (i < 10));
		} while ((ret == 1) && (i < 10));

		if (i == 10)
		ret = -EBUSY;