On 11/27/20 11:53 AM, Matthew Wilcox wrote: > On Fri, Nov 27, 2020 at 11:07:07AM -0800, trix@xxxxxxxxxx wrote: >> +++ b/fs/fcntl.c >> @@ -526,7 +526,7 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd, >> (dst)->l_whence = (src)->l_whence; \ >> (dst)->l_start = (src)->l_start; \ >> (dst)->l_len = (src)->l_len; \ >> - (dst)->l_pid = (src)->l_pid; >> + (dst)->l_pid = (src)->l_pid > This should be wrapped in a do { } while (0). > > Look, this warning is clearly great at finding smelly code, but the > fixes being generated to shut up the warning are low quality. > Multiline macros not following the do {} while (0) pattern are likely a larger problem. I'll take a look. Thanks, Tom