get_num_ports returns -ENODEV, and the result is stored in int, so it
should not be unsigned. Zero ports does not seem to make sense, so
make that check consistent.
Signed-off-by: Pavel Machek (CIP) <pavel@xxxxxxx>
diff --git a/drivers/tty/serial/8250/8250_men_mcb.c b/drivers/tty/serial/8250/8250_men_mcb.c
index 3d0fcf25d8c3..89ff20fd1dd8 100644
--- a/drivers/tty/serial/8250/8250_men_mcb.c
+++ b/drivers/tty/serial/8250/8250_men_mcb.c
@@ -51,7 +51,7 @@ static u32 men_lookup_uartclk(struct mcb_device *mdev)
return clkval;
}
-static unsigned int get_num_ports(struct mcb_device *mdev,
+static int get_num_ports(struct mcb_device *mdev,
void __iomem *membase)
{
switch (mdev->id) {
@@ -140,7 +140,7 @@ static void serial_8250_men_mcb_remove(struct mcb_device *mdev)
return;
num_ports = get_num_ports(mdev, data[0].uart.port.membase);
- if (num_ports < 0 || num_ports > 4) {
+ if (num_ports <= 0 || num_ports > 4) {
dev_err(&mdev->dev, "error retrieving number of ports!\n");
return;
}
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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