Changeset 8aea932 in mainline

Timestamp:

2019-05-26T13:21:50Z (6 years ago)

Author:

Jakub Jermář <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a0e2f9c

Parents:

bdca26a

git-author:

Matthieu Riolo <matthieu.riolo@…> (2019-05-17 19:36:20)

git-committer:

Jakub Jermář <jakub@…> (2019-05-26 13:21:50)

Message:

dlopen() used to run into a null pointer

The rtld functions will return a NULL pointer
if the module cannot be found or loaded. The function
dlopen() failed to check for this case.

File:

• uspace/lib/c/generic/dlfcn.c (modified) (1 diff)

uspace/lib/c/generic/dlfcn.c

@@ -54 +54 @@
         if (m == NULL) {
                 m = module_load(runtime_env, path, mlf_local);
+                if (m == NULL) {
+                        return NULL;
+                }
+
                 if (module_load_deps(m, mlf_local) != EOK) {
                         return NULL;