linux-kernel - [PATCH 2/2] RDMA/bnxt_re: Remove some dead code

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Message-ID: <bc1135dc297ed2c6f3ca9446a2747b0c89102e61.1729930153.git.christophe.jaillet@wanadoo.fr>
Date: Sat, 26 Oct 2024 10:09:43 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Selvin Xavier <selvin.xavier@...adcom.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Leon Romanovsky <leon@...nel.org>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	linux-rdma@...r.kernel.org
Subject: [PATCH 2/2] RDMA/bnxt_re: Remove some dead code

If the probe succeeds, then auxiliary_get_drvdata() can't return a NULL
pointer.

So several NULL checks can be removed to simplify code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
Compile tested only
---
 drivers/infiniband/hw/bnxt_re/main.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index d183e293ec96..e510ffe91de3 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -300,9 +300,6 @@ static void bnxt_re_shutdown(struct auxiliary_device *adev)
 	struct bnxt_re_en_dev_info *en_info = auxiliary_get_drvdata(adev);
 	struct bnxt_re_dev *rdev;
 
-	if (!en_info)
-		return;
-
 	rdev = en_info->rdev;
 	ib_unregister_device(&rdev->ibdev);
 	bnxt_re_dev_uninit(rdev, BNXT_RE_COMPLETE_REMOVE);
@@ -316,9 +313,6 @@ static void bnxt_re_stop_irq(void *handle)
 	struct bnxt_qplib_nq *nq;
 	int indx;
 
-	if (!en_info)
-		return;
-
 	rdev = en_info->rdev;
 	rcfw = &rdev->rcfw;
 
@@ -339,9 +333,6 @@ static void bnxt_re_start_irq(void *handle, struct bnxt_msix_entry *ent)
 	struct bnxt_qplib_nq *nq;
 	int indx, rc;
 
-	if (!en_info)
-		return;
-
 	rdev = en_info->rdev;
 	msix_ent = rdev->en_dev->msix_entries;
 	rcfw = &rdev->rcfw;
@@ -1991,10 +1982,6 @@ static void bnxt_re_remove(struct auxiliary_device *adev)
 	struct bnxt_re_dev *rdev;
 
 	mutex_lock(&bnxt_re_mutex);
-	if (!en_info) {
-		mutex_unlock(&bnxt_re_mutex);
-		return;
-	}
 	rdev = en_info->rdev;
 
 	if (rdev)
@@ -2043,9 +2030,6 @@ static int bnxt_re_suspend(struct auxiliary_device *adev, pm_message_t state)
 	struct bnxt_en_dev *en_dev;
 	struct bnxt_re_dev *rdev;
 
-	if (!en_info)
-		return 0;
-
 	rdev = en_info->rdev;
 	en_dev = en_info->en_dev;
 	mutex_lock(&bnxt_re_mutex);
@@ -2090,9 +2074,6 @@ static int bnxt_re_resume(struct auxiliary_device *adev)
 	struct bnxt_re_en_dev_info *en_info = auxiliary_get_drvdata(adev);
 	struct bnxt_re_dev *rdev;
 
-	if (!en_info)
-		return 0;
-
 	mutex_lock(&bnxt_re_mutex);
 	/* L2 driver may invoke this callback during device recovery, resume.
 	 * reset. Current RoCE driver doesn't recover the device in case of
-- 
2.47.0