xen-netback: fix memory leaks on XenBus disconnect

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[ Upstream commit 9a6cdf52b8 ]

Eliminate memory leaks introduced several years ago by cleaning the
queue resources which are allocated on XenBus connection event. Namely, queue
structure array and pages used for IO rings.

Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Igor Druzhinin 2017-01-17 20:49:37 +00:00 • committed by Greg Kroah-Hartman

parent 5dcd085942

commit 7bdccaa5da

1 changed files with 11 additions and 0 deletions

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drivers/net/xen-netback/xenbus.c

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