[dpdk-dev] [PATCH V21 3/4] igb_uio: fix uio release issue when hot unplug

when device being hot unplug, release a none exist uio resource will result kernel null pointer error, so this patch will check if device has been remove before release uio release procedure, if so just return back. Signed-off-by: Jeff Guo --- v21->v20: no change --- kernel/linux/igb_uio/igb_uio

[dpdk-dev] [PATCH V21 3/4] igb_uio: fix uio release issue when hot unplug

when device being hot unplug, release a none exist uio resource will result kernel null pointer error, so this patch will check if device has been remove before release uio release procedure, if so just return back. Signed-off-by: Jeff Guo --- v21->v20: no change --- kernel/linux/igb_uio/igb_uio