Fix for compilers running with -Wshorten-64-to-32 Fixes: 874406f7fb09 ("add multishot recvmsg API") Signed-off-by: Dylan Yudaken <dylany@xxxxxxxx> --- src/include/liburing.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/include/liburing.h b/src/include/liburing.h index 1d049230ddfb..118bba9eea15 100644 --- a/src/include/liburing.h +++ b/src/include/liburing.h @@ -791,10 +791,9 @@ static inline void io_uring_prep_recv_multishot(struct io_uring_sqe *sqe, static inline struct io_uring_recvmsg_out * io_uring_recvmsg_validate(void *buf, int buf_len, struct msghdr *msgh) { - int header = msgh->msg_controllen + msgh->msg_namelen + + unsigned long header = msgh->msg_controllen + msgh->msg_namelen + sizeof(struct io_uring_recvmsg_out); - - if (buf_len < header) + if (buf_len < 0 || (unsigned long)buf_len < header) return NULL; return (struct io_uring_recvmsg_out *)buf; } -- 2.30.2