From: Dave Young <dyoung@redhat.com>
Date: Wed, 1 Feb 2012 02:33:11 +0000 (+0800)
Subject: module: make module param bint handle nul value
X-Git-Tag: firefly_0821_release~3680^2~3537^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=10f296cbfe3b93188c41463fd7a53808ebdbcbe3;p=firefly-linux-kernel-4.4.55.git

module: make module param bint handle nul value

Allow bint param accept nul values, just do same as bool param.

Signed-off-by: Dave Young <dyoung@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/kernel/params.c b/kernel/params.c
index 32ee04308285..4bc965d8a1fe 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -97,7 +97,8 @@ static int parse_one(char *param,
 	for (i = 0; i < num_params; i++) {
 		if (parameq(param, params[i].name)) {
 			/* No one handled NULL, so do it here. */
-			if (!val && params[i].ops->set != param_set_bool)
+			if (!val && params[i].ops->set != param_set_bool
+			    && params[i].ops->set != param_set_bint)
 				return -EINVAL;
 			pr_debug("They are equal!  Calling %p\n",
 			       params[i].ops->set);