From 524d8ffd07f0ca10b24011487339f836ed859b32 Mon Sep 17 00:00:00 2001
From: Alex Dewar <alex.dewar90@gmail.com>
Date: Tue, 25 Aug 2020 18:12:44 +0100
Subject: [PATCH] RDMA/qib: Tidy up process_cc()
This function has a lot of gotos which could be replaced by simple
returns, making the function tidier and less bug prone.
Link: https://lore.kernel.org/r/20200825171242.448447-2-alex.dewar90@gmail.com
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/infiniband/hw/qib/qib_mad.c | 50 ++++++++---------------------
1 file changed, 13 insertions(+), 37 deletions(-)
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index f972e559a8a72..f83e331977f82 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -2293,74 +2293,50 @@ static int process_cc(struct ib_device *ibdev, int mad_flags,
struct ib_mad *out_mad)
{
struct ib_cc_mad *ccp = (struct ib_cc_mad *)out_mad;
- int ret;
-
*out_mad = *in_mad;
if (ccp->class_version != 2) {
ccp->status |= IB_SMP_UNSUP_VERSION;
- ret = reply((struct ib_smp *)ccp);
- goto bail;
+ return reply((struct ib_smp *)ccp);
}
switch (ccp->method) {
case IB_MGMT_METHOD_GET:
switch (ccp->attr_id) {
case IB_CC_ATTR_CLASSPORTINFO:
- ret = cc_get_classportinfo(ccp, ibdev);
- goto bail;
-
+ return cc_get_classportinfo(ccp, ibdev);
case IB_CC_ATTR_CONGESTION_INFO:
- ret = cc_get_congestion_info(ccp, ibdev, port);
- goto bail;
-
+ return cc_get_congestion_info(ccp, ibdev, port);
case IB_CC_ATTR_CA_CONGESTION_SETTING:
- ret = cc_get_congestion_setting(ccp, ibdev, port);
- goto bail;
-
+ return cc_get_congestion_setting(ccp, ibdev, port);
case IB_CC_ATTR_CONGESTION_CONTROL_TABLE:
- ret = cc_get_congestion_control_table(ccp, ibdev, port);
- goto bail;
-
+ return cc_get_congestion_control_table(ccp, ibdev, port);
default:
ccp->status |= IB_SMP_UNSUP_METH_ATTR;
- ret = reply((struct ib_smp *) ccp);
- goto bail;
+ return reply((struct ib_smp *) ccp);
}
-
case IB_MGMT_METHOD_SET:
switch (ccp->attr_id) {
case IB_CC_ATTR_CA_CONGESTION_SETTING:
- ret = cc_set_congestion_setting(ccp, ibdev, port);
- goto bail;
-
+ return cc_set_congestion_setting(ccp, ibdev, port);
case IB_CC_ATTR_CONGESTION_CONTROL_TABLE:
- ret = cc_set_congestion_control_table(ccp, ibdev, port);
- goto bail;
-
+ return cc_set_congestion_control_table(ccp, ibdev, port);
default:
ccp->status |= IB_SMP_UNSUP_METH_ATTR;
- ret = reply((struct ib_smp *) ccp);
- goto bail;
+ return reply((struct ib_smp *) ccp);
}
-
case IB_MGMT_METHOD_GET_RESP:
/*
* The ib_mad module will call us to process responses
* before checking for other consumers.
* Just tell the caller to process it normally.
*/
- ret = IB_MAD_RESULT_SUCCESS;
- goto bail;
-
- case IB_MGMT_METHOD_TRAP:
- default:
- ccp->status |= IB_SMP_UNSUP_METHOD;
- ret = reply((struct ib_smp *) ccp);
+ return IB_MAD_RESULT_SUCCESS;
}
-bail:
- return ret;
+ /* method is unsupported */
+ ccp->status |= IB_SMP_UNSUP_METHOD;
+ return reply((struct ib_smp *) ccp);
}
/**
--
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