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Subject[PATCH 1/2 v2] powerpc: mpic_pasemi_msi: failed allocation unnoticed
also please add my signoff to 
[PATCH 2/2 v2] mpic_u3msi: mpic_u3msi: failed allocation unnoticed
---
bitmap_find_free_region(), called by mpic_msi_alloc_hwirqs() may return
signed, but hwirq is unsigned. A failed allocation remains unnoticed.

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
---
diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c
index 33cbfb2..68aff60 100644
--- a/arch/powerpc/sysdev/mpic_pasemi_msi.c
+++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c
@@ -95,6 +95,7 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
unsigned int virq;
struct msi_desc *entry;
struct msi_msg msg;
+ int ret;

pr_debug("pasemi_msi_setup_msi_irqs, pdev %p nvec %d type %d\n",
pdev, nvec, type);
@@ -108,8 +109,9 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
* few MSIs for someone, but restrictions will apply to how the
* sources can be changed independently.
*/
- hwirq = mpic_msi_alloc_hwirqs(msi_mpic, ALLOC_CHUNK);
- if (hwirq < 0) {
+ ret = mpic_msi_alloc_hwirqs(msi_mpic, ALLOC_CHUNK);
+ hwirq = ret;
+ if (ret < 0) {
pr_debug("pasemi_msi: failed allocating hwirq\n");
return hwirq;
}


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