diff options
| -rw-r--r-- | kernel/kallsyms.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 951c93216fc4..79f2eb617a62 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -212,6 +212,10 @@ unsigned long kallsyms_lookup_name(const char *name) unsigned long i; unsigned int off; + /* Skip the search for empty string. */ + if (!*name) + return 0; + for (i = 0, off = 0; i < kallsyms_num_syms; i++) { off = kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf)); |