Setting si_code to 0 is the same as setting si_code to SI_USER. This is the same si_code as SI_USER. Posix and common sense requires that SI_USER not be a signal specific si_code. As such this use of 0 for the si_code is a pretty horribly broken ABI.
Cc: Helge Deller <del...@gmx.de> Cc: Richard Henderson <r...@twiddle.net> Cc: Ivan Kokshaysky <i...@jurassic.park.msu.ru> Cc: Matt Turner <matts...@gmail.com> Cc: linux-al...@vger.kernel.org History Tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git Ref: 0a635c7a84cf ("Fill in siginfo_t.") Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com> --- arch/alpha/kernel/osf_sys.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 89faa6f4de47..2e02aef5a334 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -872,7 +872,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, fex = (exc >> IEEE_STATUS_TO_EXCSUM_SHIFT) & swcr; if (fex) { siginfo_t info; - int si_code = 0; + int si_code = FPE_FIXME; if (fex & IEEE_TRAP_ENABLE_DNO) si_code = FPE_FLTUND; if (fex & IEEE_TRAP_ENABLE_INE) si_code = FPE_FLTRES; -- 2.14.1
