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mca: fix bus matching

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There's a bug in the MCA bus matching algorithm in that it promotes from
signed short to int before comparing with the actual id and does sign
extension on anything > 0x7fff (which means that pos ids > 0x7fff never get
correctly matched).

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
James Bottomley 2007-05-09 02:33:29 -07:00 committed by Linus Torvalds
parent 818563dcec
commit 809aa5048f
1 changed files with 1 additions and 1 deletions
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2
drivers/mca/mca-bus.c
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@ -47,7 +47,7 @@ static int mca_bus_match (struct device *dev, struct device_driver *drv)
{
struct mca_device *mca_dev = to_mca_device (dev);
struct mca_driver *mca_drv = to_mca_driver (drv);
const short *mca_ids = mca_drv->id_table;
const unsigned short *mca_ids = mca_drv->id_table;
int i;
if (!mca_ids)