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 (file)
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -209,11 +209,10 @@ static int xen_hvm_console_init(void)
                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 @@ static int xen_pv_console_init(void)
                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;