Abort db_populate if dbpath is not set

Rather than segfault. Fixes FS#21345.

Signed-off-by: Bruno Widmann <bruno.widmann@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 9dce66df..7d5d0c2d 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -367,6 +367,9 @@ int _alpm_local_db_populate(pmdb_t *db)
 	ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
 
 	dbpath = _alpm_db_path(db);
+	if(dbpath == NULL) {
+		return(-1);
+	}
 	dbdir = opendir(dbpath);
 	if(dbdir == NULL) {
 		return(0);