xen/hvc: Fix up checks when the info is allocated.
Coverity would complain about this - even thought it looks OK.
CID 401957
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 944eaeb..1e456dc 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -209,11 +209,10 @@
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
if (!info)
return -ENOMEM;
- }
-
- /* already configured */
- if (info->intf != NULL)
+ } else if (info->intf != NULL) {
+ /* already configured */
return 0;
+ }
/*
* If the toolstack (or the hypervisor) hasn't set these values, the
* default value is 0. Even though mfn = 0 and evtchn = 0 are
@@ -259,12 +258,10 @@
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
if (!info)
return -ENOMEM;
- }
-
- /* already configured */
- if (info->intf != NULL)
+ } else if (info->intf != NULL) {
+ /* already configured */
return 0;
-
+ }
info->evtchn = xen_start_info->console.domU.evtchn;
info->intf = mfn_to_virt(xen_start_info->console.domU.mfn);
info->vtermno = HVC_COOKIE;