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[Xen-devel] [PATCH] drivers/video/xen-fbfront.c: add missing cleanup code



From: Julia Lawall <Julia.Lawall@xxxxxxx>

The operations in the subsequent error-handling code appear to be also
useful here.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
Not tested.

 drivers/video/xen-fbfront.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index cb4529c..b0bd59c 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -458,8 +458,13 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
        xenfb_init_shared_page(info, fb_info);
 
        ret = xenfb_connect_backend(dev, info);
-       if (ret < 0)
+       if (ret < 0) {
+               fb_deferred_io_cleanup(fb_info);
+               fb_dealloc_cmap(&fb_info->cmap);
+               framebuffer_release(fb_info);
+               xenbus_dev_fatal(dev, ret, "xenfb_connect_backend");
                goto error;
+       }
 
        ret = register_framebuffer(fb_info);
        if (ret) {


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