[PATCH 5.10 159/717] powerpc/powernv/sriov: fix unsigned int win compared to less than zero

Greg Kroah-Hartman
2020-12-28T15:12:51Z

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