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    Subject[PATCH 5.10 159/717] powerpc/powernv/sriov: fix unsigned int win compared to less than zero
    Date
    From: Kaixu Xia <kaixuxia@tencent.com>

    [ Upstream commit 027717a45ca251a7ba67a63db359994836962cd2 ]

    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

    Fixes: 39efc03e3ee8 ("powerpc/powernv/sriov: Move M64 BAR allocation into a helper")
    Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
    Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
    Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
    Link: https://lore.kernel.org/r/1605007170-22171-1-git-send-email-kaixuxia@tencent.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 c4434f20f42fa..28aac933a4391 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;
    --
    2.27.0


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