A similar problem in arch/powerpc/sysdev/mpic_u3msi.c:
---
bitmap_find_free_region(), called by mpic_msi_alloc_hwirqs() may
return -ENOMEM, but hwirq of type irq_hw_number_t which is unsigned.
Signed-off-by: Roel Kluin <[EMAIL PROTECTED]>
---
The functions can be found respectively in:
//---[ vi lib/bitmap.c +807 ]---
//---[ vi arch/powerpc/sysdev/mpic_msi.c +39 ]---
diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c
index 1d5a408..30a4e27 100644
--- a/arch/powerpc/sysdev/mpic_u3msi.c
+++ b/arch/powerpc/sysdev/mpic_u3msi.c
@@ -122,7 +122,7 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int
nvec, int type)
list_for_each_entry(entry, &pdev->msi_list, list) {
hwirq = mpic_msi_alloc_hwirqs(msi_mpic, 1);
- if (hwirq < 0) {
+ if (hwirq == -ENOMEM) {
pr_debug("u3msi: failed allocating hwirq\n");
return hwirq;
}
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