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staging: gasket: page table: hold references to device and pci_dev 

Hold references to the struct device and the pci_dev for the page table
while the data structures contian pointers to these.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor 2018-07-29 12:36:36 -07:00 committed by Greg Kroah-Hartman
parent 34cf3ea8da
commit dd9d1502fe
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/gasket/gasket_page_table.c
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@ -345,8 +345,8 @@ int gasket_page_table_init(
bar_data->virt_base[page_table_config->base_reg]);
pg_tbl->extended_offset_reg = (u64 __iomem *)&(
bar_data->virt_base[page_table_config->extended_reg]);
pg_tbl->device = device;
pg_tbl->pci_dev = pci_dev;
pg_tbl->device = get_device(device);
pg_tbl->pci_dev = pci_dev_get(pci_dev);
dev_dbg(device, "Page table initialized successfully\n");
@ -364,6 +364,8 @@ void gasket_page_table_cleanup(struct gasket_page_table *pg_tbl)
vfree(pg_tbl->entries);
pg_tbl->entries = NULL;
put_device(pg_tbl->device);
pci_dev_put(pg_tbl->pci_dev);
kfree(pg_tbl);
}