linux-kernel - [Patch] netpoll: allow spaces in its parameter

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Message-Id: <20100317055707.5013.72217.sendpatchset@localhost.localdomain>
Date:	Wed, 17 Mar 2010 01:53:26 -0400
From:	Amerigo Wang <amwang@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	netdev@...r.kernel.org, Amerigo Wang <amwang@...hat.com>,
	David Miller <davem@...emloft.net>
Subject: [Patch] netpoll: allow spaces in its parameter


It would be nice if we allow spaces in netconsole parameters,
otherwise we get weird results if there are spaces in it.

After this patch, we will allow things like:
 "netconsole= @192.168.0.1/eth0 , 66666@....168.0.2/".

Signed-off-by: WANG Cong <amwang@...hat.com>
Cc: David Miller <davem@...emloft.net>

---
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 7aa6972..bf3b2f0 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -629,6 +629,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 	char *cur=opt, *delim;
 
 	if (*cur != '@') {
+		cur = skip_spaces(cur);
 		if ((delim = strchr(cur, '@')) == NULL)
 			goto parse_failed;
 		*delim = 0;
@@ -651,12 +652,14 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 		if ((delim = strchr(cur, ',')) == NULL)
 			goto parse_failed;
 		*delim = 0;
+		strim(cur);
 		strlcpy(np->dev_name, cur, sizeof(np->dev_name));
 		cur = delim;
 	}
 	cur++;
 
 	if (*cur != '@') {
+		cur = skip_spaces(cur);
 		/* dst port */
 		if ((delim = strchr(cur, '@')) == NULL)
 			goto parse_failed;
--
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