* libparted/arch/linux.c (linux_get_xxx_alignment): blkid's topology io size
may be 0 when blkid could not get the minimum / optimum iosize. Return NULL
in this case instead of returning a bogus (grain_size == 0) alignment.
---
libparted/arch/linux.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index 7908c46..9566db8 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -2529,7 +2529,7 @@ linux_get_minimum_alignment(const PedDevice *dev)
{
blkid_topology tp = LINUX_SPECIFIC(dev)->topology;
- if (!tp)
+ if (!tp || blkid_topology_get_minimum_io_size(tp) == 0)
return NULL; /* ped_alignment_none */
return ped_alignment_new(
@@ -2542,7 +2542,7 @@ linux_get_optimum_alignment(const PedDevice *dev)
{
blkid_topology tp = LINUX_SPECIFIC(dev)->topology;
- if (!tp)
+ if (!tp || blkid_topology_get_optimal_io_size(tp) == 0)
return NULL; /* ped_alignment_none */
return ped_alignment_new(
--
1.6.5.1
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