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authorDavid S. Miller <davem@davemloft.net>2014-09-23 12:09:27 -0400
committerDavid S. Miller <davem@davemloft.net>2014-09-23 12:09:27 -0400
commit1f6d80358dc9bbbeb56cb43384fa11fd645d9289 (patch)
tree152bfa5165292a8e4f06d536b6d222a68480e573 /drivers/clk/clk.c
parentnet: sched: fix compile warning in cls_u32 (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
downloadlinux-dev-1f6d80358dc9bbbeb56cb43384fa11fd645d9289.tar.xz
linux-dev-1f6d80358dc9bbbeb56cb43384fa11fd645d9289.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: arch/mips/net/bpf_jit.c drivers/net/can/flexcan.c Both the flexcan and MIPS bpf_jit conflicts were cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r--drivers/clk/clk.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index b76fa69b44cb..bacc06ff939b 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1467,6 +1467,7 @@ static struct clk *clk_propagate_rate_change(struct clk *clk, unsigned long even
static void clk_change_rate(struct clk *clk)
{
struct clk *child;
+ struct hlist_node *tmp;
unsigned long old_rate;
unsigned long best_parent_rate = 0;
bool skip_set_rate = false;
@@ -1502,7 +1503,11 @@ static void clk_change_rate(struct clk *clk)
if (clk->notifier_count && old_rate != clk->rate)
__clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
- hlist_for_each_entry(child, &clk->children, child_node) {
+ /*
+ * Use safe iteration, as change_rate can actually swap parents
+ * for certain clock types.
+ */
+ hlist_for_each_entry_safe(child, tmp, &clk->children, child_node) {
/* Skip children who will be reparented to another clock */
if (child->new_parent && child->new_parent != clk)
continue;