netdev - [PATCH net-next 1/3] nfp: fix readq on absolute RTsyms

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Message-Id: <20180904143733.16362-2-jakub.kicinski@netronome.com>
Date:   Tue,  4 Sep 2018 07:37:31 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH net-next 1/3] nfp: fix readq on absolute RTsyms

Return the error and report value through the output param.

Fixes: 640917dd81b6 ("nfp: support access to absolute RTsyms")
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: Francois H. Theron <francois.theron@...ronome.com>
---
 drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c
index 108ce8c5e68e..4003ed76a49a 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c
@@ -337,8 +337,10 @@ int __nfp_rtsym_readq(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
 	u64 addr;
 	int err;
 
-	if (sym->type == NFP_RTSYM_TYPE_ABS)
-		return sym->addr;
+	if (sym->type == NFP_RTSYM_TYPE_ABS) {
+		*value = sym->addr;
+		return 0;
+	}
 
 	err = nfp_rtsym_to_dest(cpp, sym, action, token, off, &cpp_id, &addr);
 	if (err)
-- 
2.17.1