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From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: [rdma-next v2 08/23] RDMA/core: Delete BUG() from unreachable flow
Date: Tue, 15 Aug 2017 11:54:37 +0300	[thread overview]
Message-ID: <20170815085452.3546-9-leon@kernel.org> (raw)
In-Reply-To: <20170815085452.3546-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

From: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

Remove call to BUG() in case wrong node_type was provided.
This flow is unreachable, because node_types are supplied
from specific enum.

Signed-off-by: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 drivers/infiniband/core/verbs.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 21fef6b6d4f3..0d359a482b13 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -180,17 +180,13 @@ EXPORT_SYMBOL(ib_rate_to_mbps);
 __attribute_const__ enum rdma_transport_type
 rdma_node_get_transport(enum rdma_node_type node_type)
 {
-	switch (node_type) {
-	case RDMA_NODE_IB_CA:
+	if (node_type == RDMA_NODE_IB_CA)
 		return RDMA_TRANSPORT_IB;
-	case RDMA_NODE_RNIC:
+
+	if (node_type == RDMA_NODE_RNIC)
 		return RDMA_TRANSPORT_IWARP;
-	case RDMA_NODE_USNIC_UDP:
-		return RDMA_TRANSPORT_USNIC_UDP;
-	default:
-		BUG();
-		return 0;
-	}
+
+	return RDMA_TRANSPORT_USNIC_UDP;
 }
 EXPORT_SYMBOL(rdma_node_get_transport);
 
-- 
2.14.0

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  parent reply	other threads:[~2017-08-15  8:54 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-15  8:54 [pull request][rdma-next v2 00/23] RDMA core, drivers and IPoIB fixes Leon Romanovsky
     [not found] ` <20170815085452.3546-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-08-15  8:54   ` [rdma-next v2 01/23] IB/cma: Fix erroneous validation of supported default GID type Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 02/23] IB/uverbs: Introduce and use helper functions to copy ah attributes Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 03/23] RDMA/mlx4: Don't use uninitialized variable Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 04/23] RDMA/mlx4: Fix create qp command alignment Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 05/23] RDMA/(core,ulp): Convert register/unregister event handler to be void Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 06/23] RDMA/core: Cleanup device capability enum Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 07/23] RDMA/core: Remove unimplemented node_types and node transport Leon Romanovsky
     [not found]     ` <20170815085452.3546-8-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-08-15 18:25       ` Suri Shelvapille
     [not found]         ` <SN1PR0301MB2127376FC9B3D170C878A47BDE8D0-VLIetriUNob/KlJXleiaIJwN6zqB+hSMnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-08-16  5:37           ` Leon Romanovsky
     [not found]             ` <20170816053744.GD24282-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-08-16 14:30               ` Suri Shelvapille
     [not found]                 ` <SN1PR0301MB21274177B67EE02B96F14424DE820-VLIetriUNob/KlJXleiaIJwN6zqB+hSMnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-08-16 16:05                   ` Devesh Sharma
2017-08-16 16:21                   ` Leon Romanovsky
     [not found]                     ` <20170816162103.GT24282-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-08-16 18:53                       ` Leon Romanovsky
     [not found]                 ` <CANjDDBh=3=5pwYO0_hcZDYVe2H98NMdTT_KrHz7j2Hm74ftDjw@mail.gmail.com>
     [not found]                   ` <CANjDDBh=3=5pwYO0_hcZDYVe2H98NMdTT_KrHz7j2Hm74ftDjw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-16 16:26                     ` Leon Romanovsky
2017-08-15  8:54   ` Leon Romanovsky [this message]
2017-08-15  8:54   ` [rdma-next v2 09/23] RDMA/core: Refactor get link layer wrapper Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 10/23] RDMA/mlx4: Remove gfp_mask argument from acquire_group call Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 11/23] RDMA/usnic: Fix remove address space warning Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 12/23] RDMA/mthca: Make explicit conversion to 64bit value Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 13/23] IB/mlx4: Fix some spelling mistakes Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 14/23] IB/mlx5: " Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 15/23] IB/mlx5: Add necessary delay drop assignment Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 16/23] IB/mlx4: Fix RSS QP type in creation verb Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 17/23] IB/mlx4: Fix struct mlx4_ib_create_wq alignment Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 18/23] IB/mlx4: Remove redundant attribute in mlx4_ib_create_qp_rss struct Leon Romanovsky
     [not found]     ` <20170815085452.3546-19-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-08-22 20:09       ` Doug Ledford
     [not found]         ` <1503432590.78641.10.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-08-23  4:43           ` Leon Romanovsky
     [not found]             ` <20170823044354.GJ1724-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-08-24  9:22               ` Leon Romanovsky
     [not found]                 ` <20170824092228.GF1724-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-08-24 19:40                   ` Doug Ledford
2017-08-15  8:54   ` [rdma-next v2 19/23] IB/mlx4: Check that reserved fields in mlx4_ib_create_qp_rss are zero Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 20/23] IB/ipoib: Sync between remove_one to sysfs calls that use rtnl_lock Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 21/23] IB/ipoib: Add get statistics support to SRIOV VF Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 22/23] IB/rxe: Make rxe_counter_name static Leon Romanovsky
2017-08-15  8:54   ` [rdma-next v2 23/23] RDMA/mlx5: Limit scope of get vector affinity local function Leon Romanovsky

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