net-sysfs: Fix memory leak in XPS configuration
[ Upstream commit 664088f8 ] This patch reorders the error cases in showing the XPS configuration so that we hold off on memory allocation until after we have verified that we can support XPS on a given ring. Fixes: 184c449f ("net: Add support for XPS with QoS via traffic classes") Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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