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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-12-05 13:16:24 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-12-05 13:23:38 -0500
commit14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a (patch)
tree541647056606d3e0aa1e06e62d2b40417623f8cb /drivers/of/of_numa.c
parent14c9dfec340988457ef0071208adf74774ae1614 (diff)
parent0072a0c14d5b7cb72c611d396f143f5dcd73ebe2 (diff)
downloadlinux-14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a.tar.gz
Merge commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2' into patchwork
Merge from Upstream after the latest media fixes branch, because we need one patch that it is there. * commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2': (1108 commits) ide: Change to use DEFINE_SHOW_ATTRIBUTE macro ide: pmac: add of_node_put() drivers/tty: add missing of_node_put() drivers/sbus/char: add of_node_put() sbus: char: add of_node_put() Linux 4.20-rc5 PCI: Fix incorrect value returned from pcie_get_speed_cap() MAINTAINERS: Update linux-mips mailing list address ocfs2: fix potential use after free mm/khugepaged: fix the xas_create_range() error path mm/khugepaged: collapse_shmem() do not crash on Compound mm/khugepaged: collapse_shmem() without freezing new_page mm/khugepaged: minor reorderings in collapse_shmem() mm/khugepaged: collapse_shmem() remember to clear holes mm/khugepaged: fix crashes due to misaccounted holes mm/khugepaged: collapse_shmem() stop if punched or truncated mm/huge_memory: fix lockdep complaint on 32-bit i_size_read() mm/huge_memory: splitting set mapping+index before unfreeze mm/huge_memory: rename freeze_page() to unmap_page() initramfs: clean old path before creating a hardlink ...
Diffstat (limited to 'drivers/of/of_numa.c')
-rw-r--r--drivers/of/of_numa.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 35c64a4295e0..fe6b13608e51 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -104,9 +104,14 @@ static int __init of_numa_parse_distance_map_v1(struct device_node *map)
distance = of_read_number(matrix, 1);
matrix++;
+ if ((nodea == nodeb && distance != LOCAL_DISTANCE) ||
+ (nodea != nodeb && distance <= LOCAL_DISTANCE)) {
+ pr_err("Invalid distance[node%d -> node%d] = %d\n",
+ nodea, nodeb, distance);
+ return -EINVAL;
+ }
+
numa_set_distance(nodea, nodeb, distance);
- pr_debug("distance[node%d -> node%d] = %d\n",
- nodea, nodeb, distance);
/* Set default distance of node B->A same as A->B */
if (nodeb > nodea)