if (err)
goto error;
- if (pid_vnr(p->pid) != p->creds.pid) {
+ if (!p->pid || pid_vnr(p->pid) != p->creds.pid) {
struct pid *pid;
err = -ESRCH;
pid = find_get_pid(p->creds.pid);
p->pid = pid;
}
- if ((p->cred->euid != p->creds.uid) ||
- (p->cred->egid != p->creds.gid)) {
+ if (!p->cred ||
+ (p->cred->euid != p->creds.uid) ||
+ (p->cred->egid != p->creds.gid)) {
struct cred *cred;
err = -ENOMEM;
cred = prepare_creds();
cred->uid = cred->euid = p->creds.uid;
cred->gid = cred->egid = p->creds.gid;
- put_cred(p->cred);
+ if (p->cred)
+ put_cred(p->cred);
p->cred = cred;
}
break;