*list: Fix potential NULL pointer dereference

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/libpakfire/filelist.c b/src/libpakfire/filelist.c
index 9c0d4ded0e8a14089c249186ee4a475258b9612d..dac977af1e896af4f9939d430dc8f0d3d2f7ee00 100644 (file)
--- a/src/libpakfire/filelist.c
+++ b/src/libpakfire/filelist.c
@@ -133,6 +133,9 @@ PAKFIRE_EXPORT struct pakfire_file* pakfire_filelist_get(struct pakfire_filelist
        while (element && index--)
                element = TAILQ_NEXT(element, nodes);
 
+       if (!element)
+               return NULL;
+
        return pakfire_file_ref(element->file);
 }
 

diff --git a/src/libpakfire/packagelist.c b/src/libpakfire/packagelist.c
index 1578da9e7c7664598df7d271f0cf16af21dd1643..cc76ead7e04bca4a1cba1093d0b25bad035c615c 100644 (file)
--- a/src/libpakfire/packagelist.c
+++ b/src/libpakfire/packagelist.c
@@ -118,6 +118,9 @@ PAKFIRE_EXPORT struct pakfire_package* pakfire_packagelist_get(struct pakfire_pa
        while (element && index--)
                element = TAILQ_NEXT(element, nodes);
 
+       if (!element)
+               return NULL;
+
        return pakfire_package_ref(element->pkg);
 }