diff options
Diffstat (limited to 'io_uring/zcrx.c')
| -rw-r--r-- | io_uring/zcrx.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c index 1513431587a7..797247a34cb7 100644 --- a/io_uring/zcrx.c +++ b/io_uring/zcrx.c @@ -366,7 +366,8 @@ static void io_free_rbuf_ring(struct io_zcrx_ifq *ifq) static void io_zcrx_free_area(struct io_zcrx_area *area) { - io_zcrx_unmap_area(area->ifq, area); + if (area->ifq) + io_zcrx_unmap_area(area->ifq, area); io_release_area_mem(&area->mem); kvfree(area->freelist); @@ -631,12 +632,13 @@ ifq_free: void io_unregister_zcrx_ifqs(struct io_ring_ctx *ctx) { struct io_zcrx_ifq *ifq; - unsigned long id; lockdep_assert_held(&ctx->uring_lock); while (1) { scoped_guard(mutex, &ctx->mmap_lock) { + unsigned long id = 0; + ifq = xa_find(&ctx->zcrx_ctxs, &id, ULONG_MAX, XA_PRESENT); if (ifq) xa_erase(&ctx->zcrx_ctxs, id); |