sfc: take correct lock in ef100_reset()

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When downing and upping the ef100 filter table, we need to take a write
 lock on efx->filter_sem, not just a read lock, because we may kfree()
 the table pointers.
Without this, resets cause a WARN_ON from efx_rwsem_assert_write_locked().

Fixes: a9dc3d5612 ("sfc_ef100: RX filter table management and related gubbins")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Edward Cree 2020-08-18 13:43:57 +01:00 • committed by David S. Miller

parent db06ea341f

commit 9cbbc45109

1 changed files with 4 additions and 4 deletions

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drivers/net/ethernet/sfc/ef100_nic.c

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