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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-06-26 09:30:51 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-07-19 15:51:42 -0400
commit37a80bf560786d96c5e8370bff45d867e43fd5c3 (patch)
tree7258fe92388dcd7a7d601d819c9e126106e002a8
parent17f9b896b06d314da890174584278dea8da7e0ce (diff)
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>
-rw-r--r--drivers/tty/hvc/hvc_xen.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 944eaeb8e0cf..1e456dca4f60 100644
--- 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)
209 info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO); 209 info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
210 if (!info) 210 if (!info)
211 return -ENOMEM; 211 return -ENOMEM;
212 } 212 } else if (info->intf != NULL) {
213 213 /* already configured */
214 /* already configured */
215 if (info->intf != NULL)
216 return 0; 214 return 0;
215 }
217 /* 216 /*
218 * If the toolstack (or the hypervisor) hasn't set these values, the 217 * If the toolstack (or the hypervisor) hasn't set these values, the
219 * default value is 0. Even though mfn = 0 and evtchn = 0 are 218 * default value is 0. Even though mfn = 0 and evtchn = 0 are
@@ -259,12 +258,10 @@ static int xen_pv_console_init(void)
259 info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO); 258 info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
260 if (!info) 259 if (!info)
261 return -ENOMEM; 260 return -ENOMEM;
262 } 261 } else if (info->intf != NULL) {
263 262 /* already configured */
264 /* already configured */
265 if (info->intf != NULL)
266 return 0; 263 return 0;
267 264 }
268 info->evtchn = xen_start_info->console.domU.evtchn; 265 info->evtchn = xen_start_info->console.domU.evtchn;
269 info->intf = mfn_to_virt(xen_start_info->console.domU.mfn); 266 info->intf = mfn_to_virt(xen_start_info->console.domU.mfn);
270 info->vtermno = HVC_COOKIE; 267 info->vtermno = HVC_COOKIE;