[PATCH 4.16 17/18] net_sched: fix a missing idr_remove() in u32_delete_key()

4.16-stable review patch. If anyone has any objections, please let me know. -- From: Cong Wang [ Upstream commit f12c643209db0626f2f54780d86bb93bfa7a9c2d ] When we delete a u32 key via u32_delete_key(), we forget to call idr_remove() to remove its

[PATCH 4.16 17/18] net_sched: fix a missing idr_remove() in u32_delete_key()

4.16-stable review patch. If anyone has any objections, please let me know. -- From: Cong Wang [ Upstream commit f12c643209db0626f2f54780d86bb93bfa7a9c2d ] When we delete a u32 key via u32_delete_key(), we forget to call idr_remove() to remove its handle from IDR. Fixes: