On 03/08, Lucas De Marchi wrote:
>
> @@ -571,9 +572,17 @@ void do_coredump(siginfo_t *siginfo)
> goto fail_dropcount;
> }
>
> - retval = call_usermodehelper_fns(helper_argv[0], helper_argv,
> - NULL, UMH_WAIT_EXEC, umh_pipe_setup,
> - NULL, &cprm);
> + sub_info = call_usermodehelper_setup(helper_argv[0],
> + helper_argv, NULL, GFP_KERNEL,
> + umh_pipe_setup, NULL, &cprm);
> + if (!sub_info) {
> + printk(KERN_WARNING "%s failed to allocate memory\n",
> + __func__);
Why?
> + argv_free(helper_argv);
> + goto fail_dropcount;
> + }
> +
> + retval = call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);
I do not really like another argv_free() here... How about
retval = -ENOMEM;
info = call_usermodehelper_setup(...);
if (info)
retval = call_usermodehelper_fns(...);
argv_free();
?
Oleg.
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