From 031ab732dded42f10dc15fe7035b1f41158cf7ee Mon Sep 17 00:00:00 2001
From: Uri Lublin <uril@redhat.com>
Date: Sun, 17 May 2020 17:55:02 +0300
Subject: [PATCH] glz_enc_dictionary_restore: return NULL upon failure

glz_enc_dictionary_create may return NULL.
glz_enc_dictionary_restore itself may return NULL so
add one more check.

Found-by: gcc (10) analyzer

Signed-off-by: Uri Lublin <uril@redhat.com>
Acked-by: Frediano Ziglio <fziglio@redhat.com>
---
 server/glz-encoder-dict.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server/glz-encoder-dict.c b/server/glz-encoder-dict.c
index 7bf16bfb..494d8878 100644
--- a/server/glz-encoder-dict.c
+++ b/server/glz-encoder-dict.c
@@ -197,6 +197,9 @@ GlzEncDictContext *glz_enc_dictionary_restore(GlzEncDictRestoreData *restore_dat
     }
     SharedDictionary *ret = (SharedDictionary *)glz_enc_dictionary_create(
             restore_data->size, restore_data->max_encoders, usr);
+    if (!ret) {
+        return NULL;
+    }
     ret->last_image_id = restore_data->last_image_id;
     return ((GlzEncDictContext *)ret);
 }