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

From: Kees Cook
Date: Wed Mar 04 2015 - 20:29:11 EST


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@xxxxxxxxxxxx>
---
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

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