From: Carlos O'Donell <codonell@redhat.com>
Date: Sat, 12 Jan 2013 01:52:05 +0000 (-0500)
Subject: Remove unnecessary assert on attr in allocate_stack().
X-Git-Tag: glibc-2.18~829
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0609c5c5e4b94f744ba952bb7d005bdd3684c71;p=thirdparty%2Fglibc.git

Remove unnecessary assert on attr in allocate_stack().
---

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 33152e2550a..4aacc17e994 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-11  Carlos O'Donell  <codonell@redhat.com>
+
+	* allocatestack.c (allocate_stack): Add comment. Remove assert
+	on attr.
+
 2013-01-11  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* Makefile (tst-cancel7-ARGS: Replace $(host-built-program-cmd)
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c
index d1056eefa0f..31c88291ae9 100644
--- a/nptl/allocatestack.c
+++ b/nptl/allocatestack.c
@@ -340,6 +340,10 @@ change_stack_perm (struct pthread *pd
 }
 
 
+/* Returns a usable stack for a new thread either by allocating a
+   new stack or reusing a cached stack of sufficient size.
+   ATTR must be non-NULL and point to a valid pthread_attr.
+   PDP must be non-NULL.  */
 static int
 allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 		ALLOCATE_STACK_PARMS)
@@ -349,7 +353,6 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
   size_t pagesize_m1 = __getpagesize () - 1;
   void *stacktop;
 
-  assert (attr != NULL);
   assert (powerof2 (pagesize_m1 + 1));
   assert (TCB_ALIGNMENT >= STACK_ALIGN);