sv,svc: fix NOEXEC fallout

function                                             old     new   delta
svc_main                                             145     162     +17
sv                                                  1280    1297     +17
status                                               139     133      -6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 34/-6)              Total: 28 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/runit/sv.c b/runit/sv.c
index 0817ab472..630f1f37e 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -193,7 +193,7 @@ struct globals {
 /* "Bernstein" time format: unix + 0x400000000000000aULL */
         uint64_t tstart, tnow;
         svstatus_t svstatus;
-        unsigned islog;
+        smallint islog;
 } FIX_ALIASING;
 #define G (*(struct globals*)bb_common_bufsiz1)
 #define acts         (G.acts        )
@@ -203,7 +203,13 @@ struct globals {
 #define tnow         (G.tnow        )
 #define svstatus     (G.svstatus    )
 #define islog        (G.islog       )
-#define INIT_G() do { setup_common_bufsiz(); } while (0)
+#define INIT_G() do { \
+        setup_common_bufsiz(); \
+        /* need to zero out, we are NOEXEC */ \
+        rc = EXIT_SUCCESS; \
+        islog = 0; \
+        /* other fields need not be zero */ \
+} while (0)
 
 
 #define str_equal(s,t) (strcmp((s), (t)) == 0)