File u_mesa-gallium-llvmpipe-fix-SIGFPE.patch of Package Mesa.13451

From: Takashi Iwai <tiwai@suse.de>
Subject: Fix zero-division in llvmpipe_texture_layout()
References: bnc#879462

Fix the crash of "gnome-control-center info" invocation on QEMU where
zero height is passed at init.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

---
 src/gallium/drivers/llvmpipe/lp_texture.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -115,7 +115,7 @@ llvmpipe_texture_layout(struct llvmpipe_
             lpr->row_stride[level] = align(nblocksx * block_size, util_cpu_caps.cacheline);
 
          /* if row_stride * height > LP_MAX_TEXTURE_SIZE */
-         if (lpr->row_stride[level] > LP_MAX_TEXTURE_SIZE / nblocksy) {
+         if (nblocksy && lpr->row_stride[level] > LP_MAX_TEXTURE_SIZE / nblocksy) {
             /* image too large */
             goto fail;
          }
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