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

[xiakaixu1987]

From: Kaixu Xia <kaixu...@tencent.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_ro...@tencent.com>
Signed-off-by: Kaixu Xia <kaixu...@tencent.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