From: Todd Poynor <toddpoynor@xxxxxxxxxx> Hold a reference on the struct device kobject while a pointer to that device is in use by gasket. Reported-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Todd Poynor <toddpoynor@xxxxxxxxxx> --- drivers/staging/gasket/gasket_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c index 859a6df9e12df..1dc7273e38734 100644 --- a/drivers/staging/gasket/gasket_core.c +++ b/drivers/staging/gasket/gasket_core.c @@ -449,6 +449,7 @@ static int gasket_alloc_dev( gasket_dev->dev_idx = dev_idx; snprintf(gasket_dev->kobj_name, GASKET_NAME_MAX, "%s", kobj_name); gasket_dev->dev = parent; + kobject_get(&gasket_dev->dev->kobj); /* gasket_bar_data is uninitialized. */ gasket_dev->num_page_tables = driver_desc->num_page_tables; /* max_page_table_size and *page table are uninit'ed */ @@ -487,7 +488,7 @@ static void gasket_free_dev(struct gasket_dev *gasket_dev) mutex_lock(&internal_desc->mutex); internal_desc->devs[gasket_dev->dev_idx] = NULL; mutex_unlock(&internal_desc->mutex); - + kobject_put(&gasket_dev->dev->kobj); kfree(gasket_dev); } -- 2.18.0.345.g5c9ce644c3-goog _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
