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authorRoland Dreier <roland@digitalvampire.org>2007-10-03 11:15:11 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 15:03:17 -0700
commitcbf5d9e6b9bcf03291cbb51db144b3e2773a8a2d (patch)
tree494d61012a0d5f23f2af9be72a2e17a1c7f344fc /drivers/pci
parenta56bc69a182f501582557af7fad5bc882b1c856c (diff)
MSI: Use correct data offset for 32-bit MSI in read_msi_msg()
While reading the MSI code trying to find a reason why MSI wouldn't work for devices that have a 32-bit MSI address capability, I noticed that read_msi_msg() seems to read the message data from the wrong offset in this case. Signed-off-by: Roland Dreier <roland@digitalvampire.org> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/msi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index be1df85e5e2d..87e01615053d 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -132,7 +132,7 @@ void read_msi_msg(unsigned int irq, struct msi_msg *msg)
pci_read_config_word(dev, msi_data_reg(pos, 1), &data);
} else {
msg->address_hi = 0;
- pci_read_config_word(dev, msi_data_reg(pos, 1), &data);
+ pci_read_config_word(dev, msi_data_reg(pos, 0), &data);
}
msg->data = data;
break;