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xen/hvc: Fix up checks when the info is allocated.

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Coverity would complain about this - even thought it looks OK.

CID 401957
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2012-06-26 09:30:51 -04:00
parent 17f9b896b0
commit 37a80bf560
1 changed files with 6 additions and 9 deletions
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15
drivers/tty/hvc/hvc_xen.c
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@ -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;