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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-23 09:23:33 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-23 09:23:33 +0200
commit8083f3d78825c0ea1948339613914b46105bfd0b (patch)
tree25319c8651919f48cbae12eb3fe7490413ff9669 /drivers/android
parent06b32fdb030989c45bb9dad685b794bf2395d53a (diff)
parent4b972a01a7da614b4796475f933094751a295a2f (diff)
Merge 5.2-rc6 into char-misc-next
We need the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android')
-rw-r--r--drivers/android/binder.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 8b108e9b31cc..8bf039fdeb91 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1941,8 +1941,18 @@ static void binder_free_txn_fixups(struct binder_transaction *t)
static void binder_free_transaction(struct binder_transaction *t)
{
- if (t->buffer)
- t->buffer->transaction = NULL;
+ struct binder_proc *target_proc = t->to_proc;
+
+ if (target_proc) {
+ binder_inner_proc_lock(target_proc);
+ if (t->buffer)
+ t->buffer->transaction = NULL;
+ binder_inner_proc_unlock(target_proc);
+ }
+ /*
+ * If the transaction has no target_proc, then
+ * t->buffer->transaction has already been cleared.
+ */
binder_free_txn_fixups(t);
kfree(t);
binder_stats_deleted(BINDER_STAT_TRANSACTION);
@@ -3551,10 +3561,12 @@ err_invalid_target_handle:
static void
binder_free_buf(struct binder_proc *proc, struct binder_buffer *buffer)
{
+ binder_inner_proc_lock(proc);
if (buffer->transaction) {
buffer->transaction->buffer = NULL;
buffer->transaction = NULL;
}
+ binder_inner_proc_unlock(proc);
if (buffer->async_transaction && buffer->target_node) {
struct binder_node *buf_node;
struct binder_work *w;