mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 7/8] Revert "globalvar: remove code for unqualified globalvars"
Date: Wed, 14 Jun 2017 09:26:40 +0200	[thread overview]
Message-ID: <20170614072641.29942-8-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20170614072641.29942-1-s.hauer@pengutronix.de>

This reverts commit e4f81050e098074792730b61563538d9e394e3d6.
---
 common/globalvar.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
 include/param.h    |  1 +
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/common/globalvar.c b/common/globalvar.c
index 32ca6a24db..1b3082a1b7 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -410,7 +410,7 @@ int globalvar_add_simple(const char *name, const char *value)
 	struct param_d *param;
 
 	param = dev_add_param(&global_device, name, globalvar_simple_set, NULL,
-			      0);
+			      PARAM_GLOBALVAR_UNQUALIFIED);
 	if (IS_ERR(param)) {
 		if (PTR_ERR(param) != -EEXIST)
 			return PTR_ERR(param);
@@ -424,9 +424,30 @@ int globalvar_add_simple(const char *name, const char *value)
 	return 0;
 }
 
+static int globalvar_remove_unqualified(const char *name)
+{
+	struct param_d *p;
+
+	p = get_param_by_name(&global_device, name);
+	if (!p)
+		return 0;
+
+	if (!(p->flags & PARAM_GLOBALVAR_UNQUALIFIED))
+		return -EEXIST;
+
+	dev_remove_param(p);
+
+	return 0;
+}
+
 int globalvar_add_simple_string(const char *name, char **value)
 {
 	struct param_d *p;
+	int ret;
+
+	ret = globalvar_remove_unqualified(name);
+	if (ret)
+		return ret;
 
 	p = dev_add_param_string(&global_device, name, NULL, NULL,
 		value, NULL);
@@ -443,6 +464,11 @@ int globalvar_add_simple_int(const char *name, int *value,
 			     const char *format)
 {
 	struct param_d *p;
+	int ret;
+
+	ret = globalvar_remove_unqualified(name);
+	if (ret)
+		return ret;
 
 	p = dev_add_param_int(&global_device, name, NULL, NULL,
 		value, format, NULL);
@@ -458,6 +484,11 @@ int globalvar_add_simple_int(const char *name, int *value,
 int globalvar_add_simple_bool(const char *name, int *value)
 {
 	struct param_d *p;
+	int ret;
+
+	ret = globalvar_remove_unqualified(name);
+	if (ret)
+		return ret;
 
 	p = dev_add_param_bool(&global_device, name, NULL, NULL,
 		value, NULL);
@@ -474,6 +505,11 @@ int globalvar_add_simple_enum(const char *name,	int *value,
 			      const char * const *names, int max)
 {
 	struct param_d *p;
+	int ret;
+
+	ret = globalvar_remove_unqualified(name);
+	if (ret)
+		return ret;
 
 	p = dev_add_param_enum(&global_device, name, NULL, NULL,
 		value, names, max, NULL);
@@ -503,6 +539,11 @@ int globalvar_add_simple_bitmask(const char *name, unsigned long *value,
 int globalvar_add_simple_ip(const char *name, IPaddr_t *ip)
 {
 	struct param_d *p;
+	int ret;
+
+	ret = globalvar_remove_unqualified(name);
+	if (ret)
+		return ret;
 
 	p = dev_add_param_ip(&global_device, name, NULL, NULL,
 		ip, NULL);
diff --git a/include/param.h b/include/param.h
index 449d3d78e9..2592a09c3a 100644
--- a/include/param.h
+++ b/include/param.h
@@ -6,6 +6,7 @@
 #include <linux/list.h>
 
 #define PARAM_FLAG_RO	(1 << 0)
+#define PARAM_GLOBALVAR_UNQUALIFIED	(1 << 1)
 
 struct device_d;
 typedef uint32_t          IPaddr_t;
-- 
2.11.0


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  parent reply	other threads:[~2017-06-14  7:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-14  7:26 revert nvvar changes Sascha Hauer
2017-06-14  7:26 ` [PATCH 1/8] Revert "globalvar: Fix value of new globalvar when nvvar exists" Sascha Hauer
2017-06-14  7:26 ` [PATCH 2/8] Revert "nv: Fix setting of nv.dev.<devname>.<param> variables" Sascha Hauer
2017-06-14  7:26 ` [PATCH 3/8] Revert "globalvar: make nv_device static" Sascha Hauer
2017-06-14  7:26 ` [PATCH 4/8] Revert "globalvar: don't use nv_device if CONFIG_NVVAR is disabled" Sascha Hauer
2017-06-14  7:26 ` [PATCH 5/8] Revert "param: remove unnecessary device_d * argument" Sascha Hauer
2017-06-14  7:26 ` [PATCH 6/8] Revert "globalvar: make globalvar functions more consistent" Sascha Hauer
2017-06-14  7:26 ` Sascha Hauer [this message]
2017-06-14  7:26 ` [PATCH 8/8] Revert "nv: Do not create globalvars from nvvars" Sascha Hauer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170614072641.29942-8-s.hauer@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox