Mesa (master): mesa/main: Check allocations success in _mesa_one_time_init_extension_overrides()

[Tapani Pälli]

Module: Mesa
Branch: master
Commit: 51aa22148099f3c7e7e63b77523af629a535fa43
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=51aa22148099f3c7e7e63b77523af629a535fa43

Author: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Date:   Wed Jul  2 20:50:42 2014 +0300

mesa/main: Check allocations success in _mesa_one_time_init_extension_overrides()

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>

---

 src/mesa/main/extensions.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 553c01e..43f0e8d 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -609,6 +609,15 @@ _mesa_one_time_init_extension_overrides(void)
 
    /* Copy env_const because strtok() is destructive. */
    env = strdup(env_const);
+
+   if (env == NULL || extra_extensions == NULL ||
+           cant_disable_extensions == NULL) {
+       free(env);
+       free(extra_extensions);
+       free(cant_disable_extensions);
+       return;
+   }
+
    for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
       int enable;
       bool recognized;