diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-26 16:40:04 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-26 16:40:04 -0400 |
| commit | 297689545916c40b65a86d4871e5610a024c8993 (patch) | |
| tree | dd88a621673dd883dacf06e7c7fa565898b7503d | |
| parent | 228bd6243447f3e5613457e6400112f197dbba7b (diff) | |
| parent | f50b6805dbb993152025ec04dea094c40cc93a0c (diff) | |
Merge tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fix from Greg KH:
"Here is a single tty/serial driver fix for 5.4-rc5 that resolves a
reported issue.
It has been in linux-next for a while with no problems"
* tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
8250-men-mcb: fix error checking when get_num_ports returns -ENODEV
| -rw-r--r-- | drivers/tty/serial/8250/8250_men_mcb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/8250/8250_men_mcb.c b/drivers/tty/serial/8250/8250_men_mcb.c index 02c5aff58a74..8df89e9cd254 100644 --- a/drivers/tty/serial/8250/8250_men_mcb.c +++ b/drivers/tty/serial/8250/8250_men_mcb.c @@ -72,8 +72,8 @@ static int serial_8250_men_mcb_probe(struct mcb_device *mdev, { struct serial_8250_men_mcb_data *data; struct resource *mem; - unsigned int num_ports; - unsigned int i; + int num_ports; + int i; void __iomem *membase; mem = mcb_get_resource(mdev, IORESOURCE_MEM); @@ -88,7 +88,7 @@ static int serial_8250_men_mcb_probe(struct mcb_device *mdev, dev_dbg(&mdev->dev, "found a 16z%03u with %u ports\n", mdev->id, num_ports); - if (num_ports == 0 || num_ports > 4) { + if (num_ports <= 0 || num_ports > 4) { dev_err(&mdev->dev, "unexpected number of ports: %u\n", num_ports); return -ENODEV; @@ -133,7 +133,7 @@ static int serial_8250_men_mcb_probe(struct mcb_device *mdev, static void serial_8250_men_mcb_remove(struct mcb_device *mdev) { - unsigned int num_ports, i; + int num_ports, i; struct serial_8250_men_mcb_data *data = mcb_get_drvdata(mdev); if (!data) |