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authorÁlvaro Fernández Rojas <noltari@gmail.com>2023-04-24 20:39:55 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2023-04-24 21:02:29 +0200
commit1129b226f7cd491c198b03d5048aaaa7262fdd42 (patch)
treedc5c1591ccfcf8f0d77493a670f7be35f736ee39 /target
parent60acbbb1af143779048bfb95252f33b400d309a5 (diff)
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kernel: ssb: fallback-sprom: check bustype
host_pci is only defined when bustype is SSB_BUSTYPE_PCI. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target')
-rw-r--r--target/linux/generic/files/drivers/ssb/fallback-sprom.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/target/linux/generic/files/drivers/ssb/fallback-sprom.c b/target/linux/generic/files/drivers/ssb/fallback-sprom.c
index 65436a42ec..26f0fd2f03 100644
--- a/target/linux/generic/files/drivers/ssb/fallback-sprom.c
+++ b/target/linux/generic/files/drivers/ssb/fallback-sprom.c
@@ -56,9 +56,14 @@ static struct list_head ssb_fbs_list = LIST_HEAD_INIT(ssb_fbs_list);
int ssb_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
{
- const u32 pci_bus = bus->host_pci->bus->number;
- const u32 pci_dev = PCI_SLOT(bus->host_pci->devfn);
struct ssb_fbs *pos;
+ u32 pci_bus, pci_dev;
+
+ if (bus->bustype != SSB_BUSTYPE_PCI)
+ return -ENOENT;
+
+ pci_bus = bus->host_pci->bus->number;
+ pci_dev = PCI_SLOT(bus->host_pci->devfn);
list_for_each_entry(pos, &ssb_fbs_list, list) {
if (pos->pci_bus != pci_bus ||