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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-02-21 23:56:07 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-03-09 05:59:47 +0100 |
| commit | c0ee937e92c901f30d38c10800012781db4a2b83 (patch) | |
| tree | 828ea75a7d0e8d7072652f0891c4fbe3adbae7af /src | |
| parent | 11c79d7fc2c9e04828db8e54c199822e5fa749b8 (diff) | |
| download | coreboot-c0ee937e92c901f30d38c10800012781db4a2b83.tar.xz | |
AMD K8: Fix allocation size for HyperTransport links
There is no requirement that in dev->link_list the last element
would have the highest link->link_num.
Also fix off-by-one error when allocating for more links.
Change-Id: Id8a7db3ffb4111eb31e70ea14fd522b70368dd8c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8550
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/amd/amdk8/northbridge.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c index 63f543e0a0..a17aa65a82 100644 --- a/src/northbridge/amd/amdk8/northbridge.c +++ b/src/northbridge/amd/amdk8/northbridge.c @@ -1165,14 +1165,16 @@ static struct device_operations pci_domain_ops = { static void add_more_links(device_t dev, unsigned total_links) { struct bus *link, *last = NULL; - int link_num; + int link_num = -1; - for (link = dev->link_list; link; link = link->next) + for (link = dev->link_list; link; link = link->next) { + if (link_num < link->link_num) + link_num = link->link_num; last = link; + } if (last) { - int links = total_links - last->link_num; - link_num = last->link_num; + int links = total_links - (link_num + 1); if (links > 0) { link = malloc(links*sizeof(*link)); if (!link) @@ -1182,7 +1184,6 @@ static void add_more_links(device_t dev, unsigned total_links) } } else { - link_num = -1; link = malloc(total_links*sizeof(*link)); memset(link, 0, total_links*sizeof(*link)); dev->link_list = link; |