diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io_uring.c | 3 | ||||
| -rw-r--r-- | io_uring/uring_cmd.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 2dff4772bf14..cb6bd9907045 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -4669,6 +4669,9 @@ static int __init io_uring_init(void) BUILD_BUG_ON(sizeof(atomic_t) != sizeof(u32)); + /* top 8bits are for internal use */ + BUILD_BUG_ON((IORING_URING_CMD_MASK & 0xff000000) != 0); + io_uring_optable_init(); /* diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index 537795fddc87..a0b0ec5473bf 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -91,7 +91,7 @@ int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return -EINVAL; ioucmd->flags = READ_ONCE(sqe->uring_cmd_flags); - if (ioucmd->flags & ~IORING_URING_CMD_FIXED) + if (ioucmd->flags & ~IORING_URING_CMD_MASK) return -EINVAL; if (ioucmd->flags & IORING_URING_CMD_FIXED) { |