[PATCH 6.6 127/252] octeontx2-pf: check negative error code in otx2_open()

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6.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Su Hui <suhui@xxxxxxxxxxxx>

commit e709acbd84fb6ef32736331b0147f027a3ef4c20 upstream.

otx2_rxtx_enable() return negative error code such as -EIO,
check -EIO rather than EIO to fix this problem.

Fixes: c926252205c4 ("octeontx2-pf: Disable packet I/O for graceful exit")
Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>
Reviewed-by: Subbaraya Sundeep <sbhatta@xxxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240328020620.4054692-1-suhui@xxxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1933,7 +1933,7 @@ int otx2_open(struct net_device *netdev)
 	 * mcam entries are enabled to receive the packets. Hence disable the
 	 * packet I/O.
 	 */
-	if (err == EIO)
+	if (err == -EIO)
 		goto err_disable_rxtx;
 	else if (err)
 		goto err_tx_stop_queues;






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