i40e/i40evf: avoid mutex re-init
If the driver were to happen to have a mutex held while the i40e_init_adminq call was called, the init_adminq might inadvertently call mutex_init on a lock that was held which is a violation of the calling semantics. Fix this by avoiding adminq.c code allocating/freeing this memory, and then do the same work only once in probe/remove. Testing Hints (Required if no HSD): for VF, load i40evf in bare metal and echo 32 > sriov_numvfs; echo 0 > sriov_numvfs in a loop. Yes this is a horrible thing to do. Change-ID: Ida263c51b34e195252179e7e5e400d73a99be7a2 Reported-by:Stefan Assmann <sassmann@redhat.com> Signed-off-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by:
Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
parent
6e80a18c
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