staging: unisys: include: remove unused function pathname_last_n_nodes

The function pathname_last_n_nodes is not used, get rid of it.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/include/channel.h b/drivers/staging/unisys/include/channel.h
index ff86f7a..e42f46c 100644 (file)
--- a/drivers/staging/unisys/include/channel.h
+++ b/drivers/staging/unisys/include/channel.h
@@ -347,38 +347,6 @@ static inline int spar_check_channel_server(uuid_le typeuuid, char *name,
        return 1;
 }
 
-/* Given a file pathname <s> (with '/' or '\' separating directory nodes),
- * returns a pointer to the beginning of a node within that pathname such
- * that the number of nodes from that pointer to the end of the string is
- * NOT more than <n>.  Note that if the pathname has less than <n> nodes
- * in it, the return pointer will be to the beginning of the string.
- */
-static inline u8 *
-pathname_last_n_nodes(u8 *s, unsigned int n)
-{
-       u8 *p = s;
-       unsigned int node_count = 0;
-
-       while (*p != '\0') {
-               if ((*p == '/') || (*p == '\\'))
-                       node_count++;
-               p++;
-       }
-       if (node_count <= n)
-               return s;
-       while (n > 0) {
-               p--;
-               if (p == s)
-                       break;  /* should never happen, unless someone
-                                * is changing the string while we are
-                                * looking at it!!
-                                */
-               if ((*p == '/') || (*p == '\\'))
-                       n--;
-       }
-       return p + 1;
-}
-
 static inline int
 spar_channel_client_acquire_os(void __iomem *ch, u8 *id)
 {