[SRU Bionic/Focal/Hirsute/Impish/hwe-5.8/oem-5.10] bnx2x: Fix enabling network interfaces without VFs

[Thadeu Lima de Souza Cascardo]

From: Adrian Bunk <bunk at kernel.org>

BugLink: https://bugs.launchpad.net/bugs/1945707

This function is called to enable SR-IOV when available,
not enabling interfaces without VFs was a regression.

Fixes: 65161c35554f ("bnx2x: Fix missing error code in bnx2x_iov_init_one()")
Signed-off-by: Adrian Bunk <bunk at kernel.org>
Reported-by: YunQiang Su <wzssyqa at gmail.com>
Tested-by: YunQiang Su <wzssyqa at gmail.com>
Cc: stable at vger.kernel.org
Acked-by: Shai Malin <smalin at marvell.com>
Link: https://lore.kernel.org/r/20210912190523.27991-1-bunk@kernel.org
Signed-off-by: Jakub Kicinski <kuba at kernel.org>
(cherry picked from commit 52ce14c134a003fee03d8fc57442c05a55b53715)
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo at canonical.com>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 9108b497b3c9..03eb0179ec00 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1225,7 +1225,7 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
 
 	/* SR-IOV capability was enabled but there are no VFs*/
 	if (iov->total == 0) {
-		err = -EINVAL;
+		err = 0;
 		goto failed;
 	}
 
-- 
2.30.2