libata-sff: Don't try and activate channels which are not in use

Browse source

An ATA controller in native mode may have one or more channels disabled
and not assigned resources. In that case the existing code crashes trying
to access I/O ports 0-7.

Add the neccessary check.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

...

This commit is contained in:

Alan 2007-01-08 12:10:05 +00:00 • committed by Jeff Garzik

parent d73f30e1c9

commit 4112e16a7c

1 changed files with 22 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

22

drivers/ata/libata-sff.c

View file