serial: fix incorrect length of strncmp for dtuart

In serial_parse_handler(), length of strncmp for dtuart should have been
6, not 5.

Signed-off-by: Jiandi An <anjiandi@codeaurora.org>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>

diff --git a/xen/drivers/char/serial.c b/xen/drivers/char/serial.c
index c583a48c0823e7bf2619a1a63f05da3bfbd20e3d..0fc5cedfc39fd5d19a329a65bbe6dd38b2abb158 100644 (file)
--- a/xen/drivers/char/serial.c
+++ b/xen/drivers/char/serial.c
@@ -310,7 +310,7 @@ int __init serial_parse_handle(char *conf)
         goto common;
     }
 
-    if ( !strncmp(conf, "dtuart", 5) )
+    if ( !strncmp(conf, "dtuart", 6) )
     {
         handle = SERHND_DTUART;
         goto common;