[PATCH] PCI: rzg3s-host: Fix compilation warning

[Claudiu]

From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

Fix "bitmap is used uninitialized" compilation warning.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/all/202512070218.XVMUQCl7-lkp@xxxxxxxxx
Closes: https://lore.kernel.org/all/202512061812.Xbqmd2Gn-lkp@xxxxxxxxx
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
---
 drivers/pci/controller/pcie-rzg3s-host.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-rzg3s-host.c b/drivers/pci/controller/pcie-rzg3s-host.c
index 667e6d629474..83ec66a70823 100644
--- a/drivers/pci/controller/pcie-rzg3s-host.c
+++ b/drivers/pci/controller/pcie-rzg3s-host.c
@@ -479,7 +479,7 @@ static void rzg3s_pcie_intx_irq_handler(struct irq_desc *desc)
 static irqreturn_t rzg3s_pcie_msi_irq(int irq, void *data)
 {
 	u8 regs = RZG3S_PCI_MSI_INT_NR / RZG3S_PCI_MSI_INT_PER_REG;
-	DECLARE_BITMAP(bitmap, RZG3S_PCI_MSI_INT_NR);
+	DECLARE_BITMAP(bitmap, RZG3S_PCI_MSI_INT_NR) = {0};
 	struct rzg3s_pcie_host *host = data;
 	struct rzg3s_pcie_msi *msi = &host->msi;
 	unsigned long bit;
-- 
2.43.0