diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-06-26 09:30:51 -0400 |
---|---|---|
committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-07-19 15:51:42 -0400 |
commit | 37a80bf560786d96c5e8370bff45d867e43fd5c3 (patch) | |
tree | 7258fe92388dcd7a7d601d819c9e126106e002a8 | |
parent | 17f9b896b06d314da890174584278dea8da7e0ce (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.c | 15 |
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; |