diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kallsyms.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 049e296f586c..9559bf947c6b 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -355,7 +355,12 @@ static int kallsyms_lookup_buildid(unsigned long addr, { int ret; - namebuf[KSYM_NAME_LEN - 1] = 0; + /* + * kallsyms_lookus() returns pointer to namebuf on success and + * NULL on error. But some callers ignore the return value. + * Instead they expect @namebuf filled either with valid + * or empty string. + */ namebuf[0] = 0; if (is_ksym_addr(addr)) { |