[PATCH 5.10.y-cip 19/28] PCI: rzg3s-host: Initialize MSI status bitmap before use

Claudiu
2026-03-11T11:04:29Z

From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

commit 94bf74830a977a027042f685c7231c5e07cc3372 upstream.

Initialize rzg3s_pcie_msi_irq() MSI status bitmap before use.

Fixes: 7ef502fb35b2 ("PCI: Add Renesas RZ/G3S host controller driver")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/all/202512070218.XVMUQCl7-lkp@intel.com
Closes: https://lore.kernel.org/all/202512061812.Xbqmd2Gn-lkp@intel.com
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20251209125122.304129-1-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---
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 124c07d72ff6..794515e5a6f0 100644
--- a/drivers/pci/controller/pcie-rzg3s-host.c
+++ b/drivers/pci/controller/pcie-rzg3s-host.c
@@ -481,7 +481,7 @@ 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