From: Florian Krohm <florian@eich-krohm.de>
Date: Wed, 4 Feb 2015 18:01:19 +0000 (+0000)
Subject: Remove unneeded code.
X-Git-Tag: svn/VALGRIND_3_11_0~690
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e8f017072a48bdd741492de142a2178d2d7d33b;p=thirdparty%2Fvalgrind.git

Remove unneeded code.
VG_(extend_stack) checks whether the given address is covered by the
stack.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14902
---

diff --git a/coregrind/m_syswrap/syswrap-main.c b/coregrind/m_syswrap/syswrap-main.c
index 04611f6c09..1c522cdfa2 100644
--- a/coregrind/m_syswrap/syswrap-main.c
+++ b/coregrind/m_syswrap/syswrap-main.c
@@ -1487,13 +1487,8 @@ void VG_(client_syscall) ( ThreadId tid, UInt trc )
 #  if defined(VGO_linux)
    if (tid == 1/*ROOT THREAD*/) {
       Addr     stackMin   = VG_(get_SP)(tid) - VG_STACK_REDZONE_SZB;
-      NSegment const* seg = VG_(am_find_nsegment)(stackMin);
-      if (seg && seg->kind == SkAnonC) {
-         /* stackMin is already mapped.  Nothing to do. */
-      } else {
-         (void)VG_(extend_stack)( stackMin,
-                                  tst->client_stack_szB );
-      }
+
+      VG_(extend_stack)( stackMin, tst->client_stack_szB );
    }
 #  endif
    /* END ensure root thread's stack is suitably mapped */