Messages in this thread Patch in this message | | | From | Ondrej Zary <> | Subject | [PATCH] pata_isapnp: Don't use invalid I/O ports | Date | Thu, 12 Sep 2013 23:01:29 +0200 |
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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> --- drivers/ata/pata_isapnp.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c index 4bceb88..b33d1f9 100644 --- a/drivers/ata/pata_isapnp.c +++ b/drivers/ata/pata_isapnp.c @@ -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; -- Ondrej Zary
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