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pipe-loader: check that the pointer to driconf_xml isn't NULL

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This happens when mesa is built with only swrast. The default
driver being kmsro and the default driconf file being v3d,
it's NULL and then strdup crashes.

This fixes a crash with piglit spec/egl_mesa_query_driver/conformance.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
This commit is contained in:
Samuel Pitoiset 2019-11-20 09:14:17 +01:00
parent 046097c092
commit 8fc8e8e8be
1 changed files with 1 additions and 1 deletions
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2
src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c
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@ -331,7 +331,7 @@ pipe_loader_drm_get_driinfo_xml(const char *driver_name)
const struct drm_driver_descriptor *dd =
get_driver_descriptor(driver_name, &lib);
if (dd && dd->driconf_xml)
if (dd && dd->driconf_xml && *dd->driconf_xml)
xml = strdup(*dd->driconf_xml);
if (lib)