linux-kernel - [RFC PATCH 27/35] powerpc: Tidy Success/Failure checks

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Message-Id: <20200713122247.10985-28-refactormyself@gmail.com>
Date:   Mon, 13 Jul 2020 14:22:39 +0200
From:   "Saheed O. Bolarinwa" <refactormyself@...il.com>
To:     helgaas@...nel.org, Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     "Saheed O. Bolarinwa" <refactormyself@...il.com>,
        bjorn@...gaas.com, skhan@...uxfoundation.org,
        linux-pci@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH 27/35] powerpc: Tidy Success/Failure checks

Remove unnecessary check for 0.

Signed-off-by: "Saheed O. Bolarinwa" <refactormyself@...il.com>
---
This patch depends on PATCH 26/35

 arch/powerpc/platforms/powernv/eeh-powernv.c | 4 ++--
 arch/powerpc/platforms/pseries/eeh_pseries.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 92f145dc9c1d..834cb6175cc4 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -318,7 +318,7 @@ static int pnv_eeh_find_ecap(struct pci_dn *pdn, int cap)
 
 	if (!edev || !edev->pcie_cap)
 		return 0;
-	if (pnv_pci_cfg_read(pdn, pos, 4, &header) != 0)
+	if (pnv_pci_cfg_read(pdn, pos, 4, &header))
 		return 0;
 	else if (!header)
 		return 0;
@@ -331,7 +331,7 @@ static int pnv_eeh_find_ecap(struct pci_dn *pdn, int cap)
 		if (pos < 256)
 			break;
 
-		if (pnv_pci_cfg_read(pdn, pos, 4, &header) != 0)
+		if (pnv_pci_cfg_read(pdn, pos, 4, &header))
 			break;
 	}
 
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 9c023b928f2c..aec6f76879a9 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -200,7 +200,7 @@ static int pseries_eeh_find_ecap(struct pci_dn *pdn, int cap)
 
 	if (!edev || !edev->pcie_cap)
 		return 0;
-	if (rtas_read_config(pdn, pos, 4, &header) != 0)
+	if (rtas_read_config(pdn, pos, 4, &header))
 		return 0;
 	else if (!header)
 		return 0;
@@ -213,7 +213,7 @@ static int pseries_eeh_find_ecap(struct pci_dn *pdn, int cap)
 		if (pos < 256)
 			break;
 
-		if (rtas_read_config(pdn, pos, 4, &header) != 0)
+		if (rtas_read_config(pdn, pos, 4, &header))
 			break;
 	}
 
-- 
2.18.2