linux-kernel - [PATCH] powerpc/powernv/sriov: fix unsigned int win compared to less than zero

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Message-Id: <1605007170-22171-1-git-send-email-kaixuxia@tencent.com>
Date:   Tue, 10 Nov 2020 19:19:30 +0800
From:   xiakaixu1987@...il.com
To:     fbarrat@...ux.ibm.com, ajd@...ux.ibm.com, mpe@...erman.id.au,
        benh@...nel.crashing.org, paulus@...ba.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Kaixu Xia <kaixuxia@...cent.com>
Subject: [PATCH] powerpc/powernv/sriov: fix unsigned int win compared to less than zero

From: Kaixu Xia <kaixuxia@...cent.com>

Fix coccicheck warning:

./arch/powerpc/platforms/powernv/pci-sriov.c:443:7-10: WARNING: Unsigned expression compared with zero: win < 0
./arch/powerpc/platforms/powernv/pci-sriov.c:462:7-10: WARNING: Unsigned expression compared with zero: win < 0

Reported-by: Tosk Robot <tencent_os_robot@...cent.com>
Signed-off-by: Kaixu Xia <kaixuxia@...cent.com>
---
 arch/powerpc/platforms/powernv/pci-sriov.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powernv/pci-sriov.c b/arch/powerpc/platforms/powernv/pci-sriov.c
index c4434f20f42f..92fc861c528f 100644
--- a/arch/powerpc/platforms/powernv/pci-sriov.c
+++ b/arch/powerpc/platforms/powernv/pci-sriov.c
@@ -422,7 +422,7 @@ static int pnv_pci_vf_assign_m64(struct pci_dev *pdev, u16 num_vfs)
 {
 	struct pnv_iov_data   *iov;
 	struct pnv_phb        *phb;
-	unsigned int           win;
+	int		       win;
 	struct resource       *res;
 	int                    i, j;
 	int64_t                rc;
-- 
2.20.0