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-rw-r--r--io_uring/zcrx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index c02045e4c1b6..a4a0560e8269 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -566,7 +566,7 @@ int io_register_zcrx_ifq(struct io_ring_ctx *ctx,
return -EFAULT;
if (copy_from_user(&rd, u64_to_user_ptr(reg.region_ptr), sizeof(rd)))
return -EFAULT;
- if (memchr_inv(&reg.__resv, 0, sizeof(reg.__resv)) ||
+ if (!mem_is_zero(&reg.__resv, sizeof(reg.__resv)) ||
reg.__resv2 || reg.zcrx_id)
return -EINVAL;
if (reg.if_rxq == -1 || !reg.rq_entries || reg.flags)