6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ye Bin <yebin10@xxxxxxxxxx>
[ Upstream commit 82b951e6fbd31d85ae7f4feb5f00ddd4c5d256e2 ]
If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.
Fixes: 18c198c96a81 ("vfio/pci: Create persistent INTx handler")
Signed-off-by: Ye Bin <yebin10@xxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Acked-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Link: https://lore.kernel.org/r/20240415015029.3699844-1-yebin10@xxxxxxxxxx
Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/vfio/pci/vfio_pci_intrs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index 99bbd647e5d81..620134041b488 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -277,8 +277,10 @@ static int vfio_intx_enable(struct vfio_pci_core_device *vdev,
return -ENOMEM;
ctx = vfio_irq_ctx_alloc(vdev, 0);
- if (!ctx)
+ if (!ctx) {
+ kfree(name);
return -ENOMEM;
+ }
ctx->name = name;
ctx->trigger = trigger;
--
2.43.0
