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pata_isapnp: Don't use invalid I/O ports 

The test for 2nd I/O port validity is broken (reversed): On devices
with no control port, the driver attempts to use invalid port 0,
resulting in logs full of bad_io_access errors.  On devices with
control port, the driver does not use it.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Ondrej Zary 2013-09-12 23:01:29 +02:00 committed by Tejun Heo
parent 272b98c645
commit fc0012ec53
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/pata_isapnp.c
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@ -78,7 +78,7 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
ap->ioaddr.cmd_addr = cmd_addr;
if (pnp_port_valid(idev, 1) == 0) {
if (pnp_port_valid(idev, 1)) {
ctl_addr = devm_ioport_map(&idev->dev,
pnp_port_start(idev, 1), 1);
ap->ioaddr.altstatus_addr = ctl_addr;