mdopen: be more careful when adding digit to names.

If we need to add digits to a name to make it unique, but don't have
to add '_', we need to avoid adding a digit immediately after a digit.
So if the last character of the name is a digit, add the '_' anyway.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/mdopen.c b/mdopen.c
index b4d7bdc..5d478f5 100644
--- a/mdopen.c
+++ b/mdopen.c
@@ -291,7 +291,7 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
 		}
 		cnlen = strlen(cname);
 		while (conflict) {
-			if (trustworthy == METADATA)
+			if (trustworthy == METADATA && !isdigit(cname[cnlen-1]))
 				sprintf(cname+cnlen, "%d", unum);
 			else
 				/* add _%d to FOREIGN array that don't