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Re: [dm-devel] [PATCH] multipath: rlookup WWIDs with spaces by alias

On 11/12/2011 05:54 AM, Benjamin Marzinski wrote:
If a WWID contained spaces, the rlookup code wasn't able to look it up
by its user_friendly_name, since the code was only reading the wwid till
the first space.  It now reads to the end of the line.

Signed-off-by: Benjamin Marzinski<bmarzins redhat com>
  libmultipath/alias.c |    2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

Index: multipath-tools-110412/libmultipath/alias.c
--- multipath-tools-110412.orig/libmultipath/alias.c
+++ multipath-tools-110412/libmultipath/alias.c
@@ -288,7 +288,7 @@ rlookup_binding(FILE *f, char **map_wwid
  		curr_id = scan_devname(alias, NULL); /* TBD: Why this call? */
  		if (curr_id>= id)
  			id = curr_id + 1;
-		wwid = strtok(NULL, " \t");
+		wwid = strtok(NULL, "");
  		if (!wwid){
  				"Ignoring malformed line %u in bindings file",

Please, don't.

We keep on changing this one back and forth about every year.
(The original patch was by you, back in 2008. Then I changed it back because it breaks compability with existing configuration files. Now you go and change it _again_).

The real problem here is

'If the WWID contains spaces'

The WWID _never_ should contain spaces. I pretty certain we can't handle WWID with spaces in the bindings file; eg we don't have any quotation mechanism implemented.
So can't we just settle on 'The WWID must not contain spaces' ?


Dr. Hannes Reinecke		      zSeries & Storage
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