the critical error would use driverName.

Found by internal RH coverity scan.

Signed-off-by: Dave Airlie <airl...@redhat.com>
---
 src/glx/dri_glx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/glx/dri_glx.c b/src/glx/dri_glx.c
index de777fb..f42db79 100644
--- a/src/glx/dri_glx.c
+++ b/src/glx/dri_glx.c
@@ -805,7 +805,6 @@ driCreateScreen(int screen, struct glx_display *priv)
    }
 
    psc->driver = driOpenDriver(driverName);
-   free(driverName);
    if (psc->driver == NULL)
       goto cleanup;
 
@@ -847,11 +846,15 @@ driCreateScreen(int screen, struct glx_display *priv)
    psp->setSwapInterval = driSetSwapInterval;
    psp->getSwapInterval = driGetSwapInterval;
 
+   free(driverName);
+
    return &psc->base;
 
 cleanup:
    CriticalErrorMessageF("failed to load driver: %s\n", driverName);
 
+   free(driverName);
+
    if (psc->driver)
       dlclose(psc->driver);
    glx_screen_cleanup(&psc->base);
-- 
1.7.11.7

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