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Add check if the mount callback is set.

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This commit is contained in:
Enrico Fraccaroli
2021-12-13 21:10:17 +01:00
parent f6090319c7
commit 43d34814bf
1 changed files with 4 additions and 0 deletions
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mentos/src/fs/vfs.c
+4
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@@ -372,6 +372,10 @@ int do_mount(const char *type, const char *path, const char *args)
pr_err("Unknown filesystem type: %s\n", type); pr_err("Unknown filesystem type: %s\n", type);
return -ENODEV; return -ENODEV;
} }
if (fst->mount == NULL) {
pr_err("No mount callback set: %s\n", type);
return -ENODEV;
}
vfs_file_t *file = fst->mount(path, args); vfs_file_t *file = fst->mount(path, args);
if (file == NULL) { if (file == NULL) {
pr_err("Mount callback return a null pointer: %s\n", type); pr_err("Mount callback return a null pointer: %s\n", type);