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nfp: cast sizeof() to int when comparing with error code

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[ Upstream commit 2d2595719a97c876f35b1e60e5768e58753b268c ]

sizeof() will return unsigned value so in the error check
negative error code will be always larger than sizeof().

Fixes: a0d8e02c35ff ("nfp: add support for reading nffw info")

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chengguang Xu 2018-06-26 09:16:31 +08:00 committed by Greg Kroah-Hartman
parent a5b6bb86cc
commit 778bce908b
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.c
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@ -232,7 +232,7 @@ struct nfp_nffw_info *nfp_nffw_info_open(struct nfp_cpp *cpp)
err = nfp_cpp_read(cpp, nfp_resource_cpp_id(state->res),
nfp_resource_address(state->res),
fwinf, sizeof(*fwinf));
if (err < sizeof(*fwinf))
if (err < (int)sizeof(*fwinf))
goto err_release;
if (!nffw_res_flg_init_get(fwinf))