X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=kernel%2Fkmod.c;h=22be3ff3f363ac71a319deeb2f55fd0ccbe27c26;hb=9f9ab46d557c32b9cad49c31d094d659ec3b59c0;hp=9809cc1f33d6c030e63fa2cc9092b4ee608459e5;hpb=195be1c2086929efe1ca315e23f031f06e086369;p=~andy%2Flinux diff --git a/kernel/kmod.c b/kernel/kmod.c index 9809cc1f33d..22be3ff3f36 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -173,10 +173,7 @@ static int ____call_usermodehelper(void *data) */ set_user_nice(current, 0); - retval = -EPERM; - if (current->fs->root) - retval = kernel_execve(sub_info->path, - sub_info->argv, sub_info->envp); + retval = kernel_execve(sub_info->path, sub_info->argv, sub_info->envp); /* Exec failed? */ sub_info->retval = retval; @@ -451,13 +448,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, enum umh_wait wait) { DECLARE_COMPLETION_ONSTACK(done); - int retval; + int retval = 0; helper_lock(); - if (sub_info->path[0] == '\0') { - retval = 0; + if (sub_info->path[0] == '\0') goto out; - } if (!khelper_wq || usermodehelper_disabled) { retval = -EBUSY; @@ -468,13 +463,14 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, sub_info->wait = wait; queue_work(khelper_wq, &sub_info->work); - if (wait == UMH_NO_WAIT) /* task has freed sub_info */ - return 0; + if (wait == UMH_NO_WAIT) /* task has freed sub_info */ + goto unlock; wait_for_completion(&done); retval = sub_info->retval; - out: +out: call_usermodehelper_freeinfo(sub_info); +unlock: helper_unlock(); return retval; } @@ -505,7 +501,7 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp, if (ret < 0) goto out; - return call_usermodehelper_exec(sub_info, 1); + return call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC); out: call_usermodehelper_freeinfo(sub_info);