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staging: vc04_services: fix ifnullfree.cocci warnings

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drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c:65:2-7: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.

 NULL check before some freeing functions is not needed.

 Based on checkpatch warning
 "kfree(NULL) is safe this check is probably not required"
 and kfreeaddr.cocci by Julia Lawall.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
kbuild test robot 2016-11-11 23:31:46 +08:00 committed by Greg Kroah-Hartman
parent 5209f93b19
commit caac19b97d
1 changed files with 1 additions and 2 deletions
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drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c
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@ -61,8 +61,7 @@ int vchiu_queue_init(VCHIU_QUEUE_T *queue, int size)
void vchiu_queue_delete(VCHIU_QUEUE_T *queue)
{
if (queue->storage != NULL)
kfree(queue->storage);
kfree(queue->storage);
}
int vchiu_queue_is_empty(VCHIU_QUEUE_T *queue)