[PATCH] powerpc/pasemi: Fix error handling in pasemi_dma_init

[Miaoqian Lin]

Add missing pci_dev_put(iob_pdev) to drop the reference count
obtained by pci_get_device() in case of error.

Found via static analysis and code review.

Fixes: 8ee9d8577935 ("pasemi: DMA engine management library")
Cc: sta...@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq...@gmail.com>
---
 arch/powerpc/platforms/pasemi/dma_lib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c 
b/arch/powerpc/platforms/pasemi/dma_lib.c
index 1be1f18f6f09..b824bfe97ce8 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -530,6 +530,7 @@ int pasemi_dma_init(void)
                BUG();
                pr_warn("Can't find DMA controller\n");
                err = -ENODEV;
+               pci_dev_put(iob_pdev);
                goto out;
        }
        dma_regs = map_onedev(dma_pdev, 0);
-- 
2.25.1