linux-kernel - [PATCH][next] soc: fsl: dpio: remove redundant assignment to pointer p

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date: Fri, 23 Feb 2024 14:53:27 +0000
From: Colin Ian King <colin.i.king@...il.com>
To: Roy Pledge <Roy.Pledge@....com>,
	Li Yang <leoyang.li@....com>,
	linuxppc-dev@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org
Cc: kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH][next] soc: fsl: dpio: remove redundant assignment to pointer p

There are two places where pointer p is being assigned a value that
is never read, the pointer is re-assingned later. The assignments
are redundant and can be removed.

Cleans up two clang scan build warnings:
drivers/soc/fsl/dpio/qbman-portal.c:662:3: warning: Value stored to 'p'
is never read [deadcode.DeadStores]
drivers/soc/fsl/dpio/qbman-portal.c:820:3: warning: Value stored to 'p'
is never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/soc/fsl/dpio/qbman-portal.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c
index 0a3fb6c115f4..03cc374f11d7 100644
--- a/drivers/soc/fsl/dpio/qbman-portal.c
+++ b/drivers/soc/fsl/dpio/qbman-portal.c
@@ -659,7 +659,6 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s,
 
 	if (!s->eqcr.available) {
 		eqcr_ci = s->eqcr.ci;
-		p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI;
 		s->eqcr.ci = qbman_read_register(s, QBMAN_CINH_SWP_EQCR_CI);
 		s->eqcr.ci &= full_mask;
 
@@ -817,7 +816,6 @@ int qbman_swp_enqueue_multiple_desc_direct(struct qbman_swp *s,
 	full_mask = s->eqcr.pi_ci_mask;
 	if (!s->eqcr.available) {
 		eqcr_ci = s->eqcr.ci;
-		p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI;
 		s->eqcr.ci = qbman_read_register(s, QBMAN_CINH_SWP_EQCR_CI);
 		s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
 					eqcr_ci, s->eqcr.ci);
-- 
2.39.2