From: Eric Engestrom <eric.engestrom@intel.com>
Date: Mon, 26 Aug 2019 14:29:49 +0000 (+0100)
Subject: egl: fix deadlock in malloc error path
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=43d470404c47d86d1fab93d1345e09375bcf4fb6;p=mesa.git

egl: fix deadlock in malloc error path

Fixes: cb0980e69aa921af7086 ("egl: move alloc & init out of _eglBuiltInDriver{DRI2,Haiku}")
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
---

diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
index e719b19a63f..0d8919aa0e1 100644
--- a/src/egl/main/egldriver.c
+++ b/src/egl/main/egldriver.c
@@ -56,8 +56,10 @@ _eglGetDriver(void)
 
    if (!_eglDriver) {
       _eglDriver = calloc(1, sizeof(*_eglDriver));
-      if (!_eglDriver)
+      if (!_eglDriver) {
+         mtx_unlock(&_eglModuleMutex);
          return NULL;
+      }
       _eglInitDriver(_eglDriver);
    }