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authorGrant Likely <grant.likely@linaro.org>2014-10-07 11:30:31 +0100
committerGrant Likely <grant.likely@linaro.org>2014-10-07 11:30:31 +0100
commit2118f4b8dfc666c3e4a9e262beca79636a0852fe (patch)
treeb0dabd31a3f41cfff12b8d8304b76be8a93019f2 /drivers/of
parentMerge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into devicetree/next (diff)
downloadwireguard-linux-2118f4b8dfc666c3e4a9e262beca79636a0852fe.tar.xz
wireguard-linux-2118f4b8dfc666c3e4a9e262beca79636a0852fe.zip
of/selftest: Move hash table off stack to fix large frame size
The new testcase that checks phandle consistency was using a hash table on the stack which made the frame size much large than it should be. Fix the problem by moving the hash table into the file scope. Signed-off-by: Grant Likely <grant.likely@linaro.org>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/selftest.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index 4fed34bff5cf..78001270a598 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -198,20 +198,19 @@ struct node_hash {
struct device_node *np;
};
+static DEFINE_HASHTABLE(phandle_ht, 8);
static void __init of_selftest_check_phandles(void)
{
struct device_node *np;
struct node_hash *nh;
struct hlist_node *tmp;
int i, dup_count = 0, phandle_count = 0;
- DECLARE_HASHTABLE(ht, 8);
- hash_init(ht);
for_each_of_allnodes(np) {
if (!np->phandle)
continue;
- hash_for_each_possible(ht, nh, node, np->phandle) {
+ hash_for_each_possible(phandle_ht, nh, node, np->phandle) {
if (nh->np->phandle == np->phandle) {
pr_info("Duplicate phandle! %i used by %s and %s\n",
np->phandle, nh->np->full_name, np->full_name);
@@ -225,14 +224,14 @@ static void __init of_selftest_check_phandles(void)
return;
nh->np = np;
- hash_add(ht, &nh->node, np->phandle);
+ hash_add(phandle_ht, &nh->node, np->phandle);
phandle_count++;
}
selftest(dup_count == 0, "Found %i duplicates in %i phandles\n",
dup_count, phandle_count);
/* Clean up */
- hash_for_each_safe(ht, i, tmp, nh, node) {
+ hash_for_each_safe(phandle_ht, i, tmp, nh, node) {
hash_del(&nh->node);
kfree(nh);
}