sfc: farch: fix TX queue lookup in TX flush done handling
authorEdward Cree <ecree.xilinx@gmail.com>
Tue, 20 Apr 2021 12:27:22 +0000 (13:27 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 21 Apr 2021 00:03:53 +0000 (17:03 -0700)
commit5b1faa92289b53cad654123ed2bc8e10f6ddd4ac
tree4271359d50b20395e98ad024f1dcd4343923aa34
parent4acd47644ef1e1c8f8f5bc40b7cf1c5b9bcbbc4e
sfc: farch: fix TX queue lookup in TX flush done handling

We're starting from a TXQ instance number ('qid'), not a TXQ type, so
 efx_get_tx_queue() is inappropriate (and could return NULL, leading
 to panics).

Fixes: 12804793b17c ("sfc: decouple TXQ type from label")
Reported-by: Trevor Hemsley <themsley@voiceflex.com>
Cc: stable@vger.kernel.org
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/sfc/farch.c