[PATCH 03/23] intel_sst: fix unload bugs

Alan Cox
2011-05-03T16:53:05Z

From: Vinod Koul <vinod.koul@intel.com>

The current driver remove was erroneous and causes
errors when unloading or loading second time

This patch fixes both of these issues

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---

drivers/staging/intel_sst/intel_sst.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/intel_sst/intel_sst.c b/drivers/staging/intel_sst/intel_sst.c
index 2f21f42..c40e00a 100644
--- a/drivers/staging/intel_sst/intel_sst.c
+++ b/drivers/staging/intel_sst/intel_sst.c
@@ -371,7 +371,8 @@ free_mad_wq:
destroy_workqueue(sst_drv_ctx->mad_wq);
do_free_drv_ctx:
kfree(sst_drv_ctx);
- pr_err("Probe failed with 0x%x\n", ret);
+ sst_drv_ctx = NULL;
+ pr_err("Probe failed with %d\n", ret);
return ret;
}

@@ -407,11 +408,9 @@ static void __devexit intel_sst_remove(struct pci_dev *pci)
destroy_workqueue(sst_drv_ctx->post_msg_wq);
destroy_workqueue(sst_drv_ctx->mad_wq);
kfree(sst_drv_ctx);
- pci_release_region(pci, 1);
- pci_release_region(pci, 2);
- pci_release_region(pci, 3);
- pci_release_region(pci, 4);
- pci_release_region(pci, 5);
+ sst_drv_ctx = NULL;
+ pci_release_regions(pci);
+ pci_disable_device(pci);
pci_set_drvdata(pci, NULL);
}

@@ -604,6 +603,7 @@ static void __exit intel_sst_exit(void)
pci_unregister_driver(&driver);

pr_debug("driver unloaded\n");
+ sst_drv_ctx = NULL;
return;
}