Mesa (master): radeonsi: bail out instead of crashing if the main shader part failed to compile

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: 06e20c4b8c59104b789981e6d98f3d13bfa8d69f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=06e20c4b8c59104b789981e6d98f3d13bfa8d69f

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Fri Jul 14 15:10:58 2017 +0200

radeonsi: bail out instead of crashing if the main shader part failed to compile

Reviewed: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_shader.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 4a36923ae8..35bdd85afc 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -7379,6 +7379,9 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
 		 * the previous shader stage.
 		 */
 
+		if (!mainp)
+			return -1;
+
 		/* Copy the compiled TGSI shader data over. */
 		shader->is_binary_shared = true;
 		shader->binary = mainp->binary;