diff options
| -rw-r--r-- | kernel/trace/bpf_trace.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index b5a12af2d3f8..f8990bc6b64c 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -3227,7 +3227,6 @@ int bpf_uprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr unsigned long size; u32 flags, cnt, i; struct path path; - char *name; pid_t pid; int err; @@ -3272,14 +3271,7 @@ int bpf_uprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr !access_ok(ucookies, size)) return -EFAULT; - name = strndup_user(upath, PATH_MAX); - if (IS_ERR(name)) { - err = PTR_ERR(name); - return err; - } - - err = kern_path(name, LOOKUP_FOLLOW, &path); - kfree(name); + err = user_path_at(AT_FDCWD, upath, LOOKUP_FOLLOW, &path); if (err) return err; |