RDMA/bnxt_re: Fix return code of bnxt_re_configure_cc

Driver currently supports modifying GEN0_EXT0 CC parameters
through debugfs hook.

Fixed to return -EOPNOTSUPP instead of -EINVAL in bnxt_re_configure_cc()
when the user tries to modify any other CC parameters.

Fixes: 656dff5 ("RDMA/bnxt_re: Congestion control settings using debugfs hook")
Signed-off-by: Kalesh AP <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Leon Romanovsky <[email protected]>

Author: Kalesh AP

drivers/infiniband/hw/bnxt_re/debugfs.c

@@ -272,7 +272,7 @@ static int bnxt_re_configure_cc(struct bnxt_re_dev *rdev, u32 gen_ext, u32 offse
 	int rc;
 
 	if (gen_ext != CC_CONFIG_GEN0_EXT0)
-		return -EINVAL;
+		return -EOPNOTSUPP;
 
 	rc = bnxt_re_fill_gen0_ext0(&ccparam, offset, val);
 	if (rc)