NTB: hw: amd: fix an issue about leak system resources

The related system resources were not released when pci_set_dma_mask(),
pci_set_consistent_dma_mask(), or pci_iomap() return error in the
amd_ntb_init_pci() function. Add pci_release_regions() to fix it.

Fixes: a1b3695820aa ("NTB: Add support for AMD PCI-Express Non-Transparent Bridge")
Signed-off-by: Kaige Li <likaige@loongson.cn>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c
index 88e1db65be02c2bb2554eee51fd32e93d193da4e..71428d8cbcfc533db4da10cdaeff6b764bde3ad0 100644 (file)
--- a/drivers/ntb/hw/amd/ntb_hw_amd.c
+++ b/drivers/ntb/hw/amd/ntb_hw_amd.c
@@ -1203,6 +1203,7 @@ static int amd_ntb_init_pci(struct amd_ntb_dev *ndev,
 
 err_dma_mask:
        pci_clear_master(pdev);
+       pci_release_regions(pdev);
 err_pci_regions:
        pci_disable_device(pdev);
 err_pci_enable: