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authorJose Abreu <Jose.Abreu@synopsys.com>2017-10-20 14:37:36 +0100
committerDavid S. Miller <davem@davemloft.net>2017-10-22 02:50:40 +0100
commit9454360dec1c96800576693955b92a2792b74def (patch)
tree906675b01e13a79b89ec716663174890d01a8d16
parent98870943a561c64aca22d10820a881aa4fa728e4 (diff)
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>
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
index e0ef02f9503b..4b286e27c4ca 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
@@ -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;

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