[PATCH 14/15] Revert "staging: gasket: page table: hold references to device and pci_dev"

From: Todd Poynor
Date: Tue Jul 31 2018 - 16:25:30 EST


From: Todd Poynor <toddpoynor@xxxxxxxxxx>

gasket_free_dev() is called only from driver PCI probe and remove
function. It is guaranteed that that pci_dev structure is not going
anywhere during that time; there is no need to take this additional
reference.

This reverts commit dd9d1502feea3c23d412f289aad79e1d4e86d45d.

Reported-by: Dmitry Torokhov <dtor@xxxxxxxxxxxx>
Signed-off-by: Todd Poynor <toddpoynor@xxxxxxxxxx>
---
drivers/staging/gasket/gasket_page_table.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index 13e1d0952a47..ed6ab3c5f038 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -280,7 +280,7 @@ int gasket_page_table_init(struct gasket_page_table **ppg_tbl,
pg_tbl->extended_offset_reg =
(u64 __iomem *)&bar_data->virt_base[page_table_config->extended_reg];
pg_tbl->device = get_device(device);
- pg_tbl->pci_dev = pci_dev_get(pci_dev);
+ pg_tbl->pci_dev = pci_dev;

dev_dbg(device, "Page table initialized successfully\n");

@@ -378,7 +378,6 @@ void gasket_page_table_cleanup(struct gasket_page_table *pg_tbl)
pg_tbl->entries = NULL;

put_device(pg_tbl->device);
- pci_dev_put(pg_tbl->pci_dev);
kfree(pg_tbl);
}

--
2.18.0.345.g5c9ce644c3-goog