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| H A D | pvcalls-front.c | diff 8c71fa88f7778eb093ee22cba13a3813a82113ad Tue Dec 05 08:38:43 CST 2017 Dan Carpenter <dan.carpenter@oracle.com> xen/pvcalls: check for xenbus_read() errors
Smatch complains that "len" is uninitialized if xenbus_read() fails so
let's add some error handling.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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