s390/s390dbf: use debug_level_enabled() where applicable

Refactor direct debug level comparisons with the (internal) s390db->level
member.  Use the debug_level_enabled() function instead.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/net/ctcm_dbug.c b/drivers/s390/net/ctcm_dbug.c
index 6514e1c..8363f1c9 100644
--- a/drivers/s390/net/ctcm_dbug.c
+++ b/drivers/s390/net/ctcm_dbug.c
@@ -66,7 +66,7 @@
 	char dbf_txt_buf[64];
 	va_list args;
 
-	if (level > (ctcm_dbf[dbf_nix].id)->level)
+	if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level))
 		return;
 	va_start(args, fmt);
 	vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);