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Date: Mon, 22 Mar 2010 08:30:46 -0400 From: Neil Horman <nhorman@...driver.com> To: Amerigo Wang <amwang@...hat.com> Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, elendil@...net.nl, David Miller <davem@...emloft.net> Subject: Re: [Patch v2] netpoll: warn when there are spaces in parameters On Mon, Mar 22, 2010 at 04:59:58AM -0400, Amerigo Wang wrote: > v2: update according to Frans' comments. > > Currently, if we leave spaces before dst port, > netconsole will silently accept it as 0. Warn about this. > > Also, when spaces appear in other places, make them > visible in error messages. > > 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..6df1863 100644 > --- a/net/core/netpoll.c > +++ b/net/core/netpoll.c > @@ -614,7 +614,7 @@ void netpoll_print_options(struct netpoll *np) > np->name, np->local_port); > printk(KERN_INFO "%s: local IP %pI4\n", > np->name, &np->local_ip); > - printk(KERN_INFO "%s: interface %s\n", > + printk(KERN_INFO "%s: interface '%s'\n", > np->name, np->dev_name); > printk(KERN_INFO "%s: remote port %d\n", > np->name, np->remote_port); > @@ -661,6 +661,9 @@ int netpoll_parse_options(struct netpoll *np, char *opt) > if ((delim = strchr(cur, '@')) == NULL) > goto parse_failed; > *delim = 0; > + if (*cur == ' ' || *cur == '\t') > + printk(KERN_INFO "%s: warning: whitespace" > + "is not allowed\n", np->name); > np->remote_port = simple_strtol(cur, NULL, 10); > cur = delim; > } > @@ -708,7 +711,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) > return 0; > > parse_failed: > - printk(KERN_INFO "%s: couldn't parse config at %s!\n", > + printk(KERN_INFO "%s: couldn't parse config at '%s'!\n", > np->name, cur); > return -1; > } Acked-by: Neil Horman <nhorman@...driver.com> > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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