Mesa (7.9): mesa: check for posix_memalign() errors

[Brian Paul]

Module: Mesa
Branch: 7.9
Commit: aa7bf2d88e95bdd1935ced45f90f03a156f995c3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=aa7bf2d88e95bdd1935ced45f90f03a156f995c3

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Nov 29 09:21:26 2010 -0700

mesa: check for posix_memalign() errors

Signed-off-by: Brian Paul <brianp at vmware.com>
(cherry picked from commit b1097607db58ddaa91281e364dbb4aa53d904052)

---

 src/mesa/main/imports.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
index 46e5c93..13dabde 100644
--- a/src/mesa/main/imports.c
+++ b/src/mesa/main/imports.c
@@ -88,7 +88,8 @@ _mesa_align_malloc(size_t bytes, unsigned long alignment)
 #if defined(HAVE_POSIX_MEMALIGN)
    void *mem;
    int err = posix_memalign(& mem, alignment, bytes);
-   (void) err;
+   if (err)
+      return NULL;
    return mem;
 #elif defined(_WIN32) && defined(_MSC_VER)
    return _aligned_malloc(bytes, alignment);