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(parent: be6572f) | patch
xen-netback: do not report success if backend_create_xenvif() fails
authorAlexey Khoroshilov <khoroshilov@ispras.ru>
Mon, 24 Nov 2014 10:58:00 +0000 (13:58 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 24 Nov 2014 21:14:45 +0000 (16:14 -0500)
commit2dd34339ac6305c4f2f4e589b858212e339d31e9
tree0ee36ed91c86226b7fed62c6fbd98066bab6fef2tree | snapshot
parentbe6572fdb1bfbe23b2624d477de50af50b02f5d6commit | diff
xen-netback: do not report success if backend_create_xenvif() fails

If xenvif_alloc() or xenbus_scanf() fail in backend_create_xenvif(),
xenbus is left in offline mode but netback_probe() reports success.

The patch implements propagation of error code for backend_create_xenvif().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/xen-netback/xenbus.c diff | blob | history
Domain: System / Kernel;