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path: root/drivers/net/dsa/microchip/lan937x_main.c
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Diffstat (limited to 'drivers/net/dsa/microchip/lan937x_main.c')
-rw-r--r--drivers/net/dsa/microchip/lan937x_main.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c
index 7e4f307a0387..06d3d0308cba 100644
--- a/drivers/net/dsa/microchip/lan937x_main.c
+++ b/drivers/net/dsa/microchip/lan937x_main.c
@@ -242,7 +242,11 @@ int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu)
}
/* Write the frame size in PORT_MAX_FR_SIZE register */
- ksz_pwrite16(dev, port, PORT_MAX_FR_SIZE, new_mtu);
+ ret = ksz_pwrite16(dev, port, PORT_MAX_FR_SIZE, new_mtu);
+ if (ret) {
+ dev_err(ds->dev, "failed to update mtu for port %d\n", port);
+ return ret;
+ }
return 0;
}