ehci-dbgp: fix selecting n-th ehci controller

The ehci<n> number was parsed but ignored.

Fixes: 322ecbe4ac85 ("console: add EHCI debug port based serial console")
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
master commit: d6d0cb659fda64430d4649f8680c5cead32da8fd
master date: 2022-06-16 14:23:37 +0100

diff --git a/xen/drivers/char/ehci-dbgp.c b/xen/drivers/char/ehci-dbgp.c
index c893d246defa232dd3fc64810250eed78d0eff02..66b4811af24a54276f1e4a17225e8649de889c23 100644 (file)
--- a/xen/drivers/char/ehci-dbgp.c
+++ b/xen/drivers/char/ehci-dbgp.c
@@ -1478,7 +1478,7 @@ void __init ehci_dbgp_init(void)
         unsigned int num = 0;
 
         if ( opt_dbgp[4] )
-            simple_strtoul(opt_dbgp + 4, &e, 10);
+            num = simple_strtoul(opt_dbgp + 4, &e, 10);
 
         dbgp->cap = find_dbgp(dbgp, num);
         if ( !dbgp->cap )