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path: root/drivers/net/ethernet/freescale/fman/mac.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fman/mac.c')
-rw-r--r--drivers/net/ethernet/freescale/fman/mac.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index c7bff9490ce0..a39fcea6a77a 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -217,6 +217,11 @@ static int mac_probe(struct platform_device *_of_dev)
err = -EINVAL;
goto _return_dev_put;
}
+ if (val >= MAX_NUM_OF_MACS) {
+ dev_err(dev, "cell-index value is too big for %pOF\n", mac_node);
+ err = -EINVAL;
+ goto _return_dev_put;
+ }
priv->cell_index = (u8)val;
/* Get the MAC address */