msm: kgsl: switch sprintf calls to snprintf

Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c
index 61e148c..09070e4 100644
--- a/drivers/gpu/msm/kgsl_sharedmem.c
+++ b/drivers/gpu/msm/kgsl_sharedmem.c
@@ -153,10 +153,10 @@
 	int i;
 
 	for (i = 0; i < 16; i++)
-		len += sprintf(buf + len, "%d ",
+		len += snprintf(buf + len, PAGE_SIZE - len, "%d ",
 			kgsl_driver.stats.histogram[i]);
 
-	len += sprintf(buf + len, "\n");
+	len += snprintf(buf + len, PAGE_SIZE - len, "\n");
 	return len;
 }