Commit 27dd2e04 authored by Tony Prisk's avatar Tony Prisk Committed by Greg Kroah-Hartman

serial: vt8500: Fix range-checking on vt8500_uart_ports

Fix two instances where the index to vt8500_uart_ports is tested
against > VT8500_MAX_PORTS. Correct usage should be >= VT8500_MAX_PORTS.
Signed-off-by: default avatarTony Prisk <linux@prisktech.co.nz>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f938f378
...@@ -560,7 +560,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) ...@@ -560,7 +560,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)
if (np) if (np)
port = of_alias_get_id(np, "serial"); port = of_alias_get_id(np, "serial");
if (port > VT8500_MAX_PORTS) if (port >= VT8500_MAX_PORTS)
port = -1; port = -1;
else else
port = -1; port = -1;
...@@ -571,7 +571,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) ...@@ -571,7 +571,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)
sizeof(vt8500_ports_in_use)); sizeof(vt8500_ports_in_use));
} }
if (port > VT8500_MAX_PORTS) if (port >= VT8500_MAX_PORTS)
return -ENODEV; return -ENODEV;
/* reserve the port id */ /* reserve the port id */
......
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