xen/pvcalls: fix null pointer dereference on map->sock
Currently if map is null then a potential null pointer deference
occurs when calling sock_release on map->sock. I believe the
actual intention was to call sock_release on sock instead. Fix
this.
Fixes: 5db4d286a8
("xen/pvcalls: implement connect command")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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parent
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@ -416,7 +416,7 @@ static int pvcalls_back_connect(struct xenbus_device *dev,
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sock);
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if (!map) {
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ret = -EFAULT;
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sock_release(map->sock);
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sock_release(sock);
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}
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out:
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