[PATCH v5 17/23] powerpc/pci: Fix crash with enabled movable BARs
From: Sergey Miroshnichenko <hidden>
Date: 2019-08-16 17:29:17
Also in:
linux-pci
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Add a check for the UNSET resource flag to skip the released BARs CC: Alexey Kardashevskiy <redacted> Signed-off-by: Sergey Miroshnichenko <redacted> --- arch/powerpc/platforms/powernv/pci-ioda.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index d8080558d020..362eac42f463 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c@@ -2986,7 +2986,8 @@ static void pnv_ioda_setup_pe_res(struct pnv_ioda_pe *pe, int index; int64_t rc; - if (!res || !res->flags || res->start > res->end) + if (!res || !res->flags || res->start > res->end || + (res->flags & IORESOURCE_UNSET)) return; if (res->flags & IORESOURCE_IO) {
--
2.21.0