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nfp: fix the access to management firmware hanging

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When running `ethtool -p` with the old management firmware,
the management firmware resource is not correctly released,
which causes firmware related malfunction: all the access
to management firmware hangs.

It releases the management firmware resource when set id
mode operation is not supported.

Fixes: ccb9bc1dfa ("nfp: add 'ethtool --identify' support")
Signed-off-by: Gao Xiao <gao.xiao@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Link: https://lore.kernel.org/r/20220829101651.633840-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Gao Xiao 2022-08-29 12:16:51 +02:00 committed by Jakub Kicinski
parent 613c86977e
commit 642b2122c5
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c
View File

@ -507,6 +507,7 @@ int nfp_eth_set_idmode(struct nfp_cpp *cpp, unsigned int idx, bool state)
if (nfp_nsp_get_abi_ver_minor(nsp) < 32) {
nfp_err(nfp_nsp_cpp(nsp),
"set id mode operation not supported, please update flash\n");
nfp_eth_config_cleanup_end(nsp);
return -EOPNOTSUPP;
}