linux-kernel - [PATCH] powerpc/pseries/pmem: fix a set but not used value

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Message-Id: <20190407015447.39292-1-cai@lca.pw>
Date:   Sat,  6 Apr 2019 21:54:47 -0400
From:   Qian Cai <cai@....pw>
To:     mpe@...erman.id.au, benh@...nel.crashing.org, paulus@...ba.org
Cc:     oohall@...il.com, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, Qian Cai <cai@....pw>
Subject: [PATCH] powerpc/pseries/pmem: fix a set but not used value

The commit 4c5d87db4978 ("powerpc/pseries: PAPR persistent memory
support") set a local variable "count" in dlpar_hp_pmem() but never
use it.

arch/powerpc/platforms/pseries/pmem.c: In function 'dlpar_hp_pmem':
arch/powerpc/platforms/pseries/pmem.c:109:6: warning: variable 'count'
set but not used [-Wunused-but-set-variable]

Signed-off-by: Qian Cai <cai@....pw>
---
 arch/powerpc/platforms/pseries/pmem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/pmem.c b/arch/powerpc/platforms/pseries/pmem.c
index 27f0a915c8a9..f860a897a9e0 100644
--- a/arch/powerpc/platforms/pseries/pmem.c
+++ b/arch/powerpc/platforms/pseries/pmem.c
@@ -106,7 +106,7 @@ static ssize_t pmem_drc_remove_node(u32 drc_index)
 
 int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
 {
-	u32 count, drc_index;
+	u32 drc_index;
 	int rc;
 
 	/* slim chance, but we might get a hotplug event while booting */
@@ -123,7 +123,6 @@ int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
 		return -EINVAL;
 	}
 
-	count = hp_elog->_drc_u.drc_count;
 	drc_index = hp_elog->_drc_u.drc_index;
 
 	lock_device_hotplug();
-- 
2.17.2 (Apple Git-113)