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authorGavin Shan <shangw@linux.vnet.ibm.com>2013-07-31 16:47:00 +0800
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 14:57:21 +1000
commit58d714ec7a73bfdf0780862d7e79302e084d49ca (patch)
tree524bbf5c473a734941327ed703b225eeb65331f8
parent408a7e08b2112faf687dd629212e42998a7dbe48 (diff)
downloadop-kernel-dev-58d714ec7a73bfdf0780862d7e79302e084d49ca.zip
op-kernel-dev-58d714ec7a73bfdf0780862d7e79302e084d49ca.tar.gz
powerpc/powernv: Free PHB instance upon error
We don't free PHB instance (struct pnv_phb) on error to creating the associated PCI controler (struct pci_controller). The patch fixes that. Also, the output messages have been cleaned for a bit so that they looks unified for IODA_1/2 cases. Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index d8140b1..9cccdc7 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1113,7 +1113,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
void *aux;
long rc;
- pr_info(" Initializing IODA%d OPAL PHB %s\n", ioda_type, np->full_name);
+ pr_info("Initializing IODA%d OPAL PHB %s\n", ioda_type, np->full_name);
prop64 = of_get_property(np, "ibm,opal-phbid", NULL);
if (!prop64) {
@@ -1124,13 +1124,18 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
pr_debug(" PHB-ID : 0x%016llx\n", phb_id);
phb = alloc_bootmem(sizeof(struct pnv_phb));
- if (phb) {
- memset(phb, 0, sizeof(struct pnv_phb));
- phb->hose = hose = pcibios_alloc_controller(np);
+ if (!phb) {
+ pr_err(" Out of memory !\n");
+ return;
}
- if (!phb || !phb->hose) {
- pr_err("PCI: Failed to allocate PCI controller for %s\n",
+
+ /* Allocate PCI controller */
+ memset(phb, 0, sizeof(struct pnv_phb));
+ phb->hose = hose = pcibios_alloc_controller(np);
+ if (!phb->hose) {
+ pr_err(" Can't allocate PCI controller for %s\n",
np->full_name);
+ free_bootmem((unsigned long)phb, sizeof(struct pnv_phb));
return;
}
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