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Viresh Kumar 928f2abd5f greybus: Tear down devices in the reverse order ... Normally, its a good practice to free resources in the reverse order in which they are allocated, so that all the dependencies can be sorted out properly. This is true while creating/destroying devices as well. For example consider this scenario (I faced a crash with control protocol due to this). For a new module, we will first create a bundle+connection for the control cport and then create other bundles/connections after parsing manifest. And while destroying interface on module hot unplug, we are removing the devices in the order they are added. And so the bundle/connection for the control cport are destroyed first. But, control cport was still required while destroying other bundles/connections. To solve this problem, lets destroy the resources in the reverse order in which they are added. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>		2015-06-09 13:31:23 -07:00
drivers/staging/greybus	greybus: Tear down devices in the reverse order	2015-06-09 13:31:23 -07:00