[PATCH v3 1/8] seccomp: allow COMPAT sigreturn overrides

[Kees Cook]

Some architectures may need to override the compat sigreturn definition,
as is already possible in the non-compat case.

Signed-off-by: Kees Cook <keescook at chromium.org>
---
 include/asm-generic/seccomp.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/asm-generic/seccomp.h b/include/asm-generic/seccomp.h
index 9fa1f653ed3b..c9ccafa0d99a 100644
--- a/include/asm-generic/seccomp.h
+++ b/include/asm-generic/seccomp.h
@@ -17,7 +17,9 @@
 #define __NR_seccomp_read_32		__NR_read
 #define __NR_seccomp_write_32		__NR_write
 #define __NR_seccomp_exit_32		__NR_exit
+#ifndef __NR_seccomp_sigreturn_32
 #define __NR_seccomp_sigreturn_32	__NR_rt_sigreturn
+#endif
 #endif /* CONFIG_COMPAT && ! already defined */
 
 #define __NR_seccomp_read		__NR_read
-- 
1.9.1