diff options
| author | Luis R. Rodriguez <mcgrof@suse.com> | 2015-05-27 03:39:38 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-05-28 04:02:11 +0200 |
| commit | d19f05d8a8fa221e5d5f4eaca0f3ca5874c990d3 (patch) | |
| tree | af7ed11bef82faa0e7a33b6ec8739a32ec50f00f /kernel/module.c | |
| parent | kernel/module.c: use generic module param operaters for sig_enforce (diff) | |
| download | linux-d19f05d8a8fa221e5d5f4eaca0f3ca5874c990d3.tar.xz linux-d19f05d8a8fa221e5d5f4eaca0f3ca5874c990d3.zip | |
kernel/params.c: generalize bool_enable_only
This takes out the bool_enable_only implementation from
the module loading code and generalizes it so that others
can make use of it.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org
Cc: cocci@systeme.lip6.fr
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/kernel/module.c b/kernel/module.c index 9e8c9305bba9..9b0e36145474 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -298,37 +298,6 @@ static bool sig_enforce = true; #else static bool sig_enforce = false; -static int param_set_bool_enable_only(const char *val, - const struct kernel_param *kp) -{ - int err = 0; - bool new_value; - bool orig_value = *(bool *)kp->arg; - struct kernel_param dummy_kp = *kp; - - dummy_kp.arg = &new_value; - - err = param_set_bool(val, &dummy_kp); - if (err) - return err; - - /* Don't let them unset it once it's set! */ - if (!new_value && orig_value) - return -EROFS; - - if (new_value) - err = param_set_bool(val, kp); - - return err; -} - -static const struct kernel_param_ops param_ops_bool_enable_only = { - .flags = KERNEL_PARAM_OPS_FL_NOARG, - .set = param_set_bool_enable_only, - .get = param_get_bool, -}; -#define param_check_bool_enable_only param_check_bool - module_param(sig_enforce, bool_enable_only, 0644); #endif /* !CONFIG_MODULE_SIG_FORCE */ #endif /* CONFIG_MODULE_SIG */ |