summaryrefslogtreecommitdiff
path: root/drivers/android/binder.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2019-06-22 08:59:24 -0400
committerDavid S. Miller <davem@davemloft.net>2019-06-22 08:59:24 -0400
commit92ad6325cb891bb455487bfe90cc47d18aa6ec37 (patch)
tree433a7ef938fae69789216043f67eff9f9c6b0c68 /drivers/android/binder.c
parente0effb5fbd56a8b2b8917611cbf4fcd9aba92b8f (diff)
parentc356dc4b540edd6c02b409dd8cf3208ba2804c38 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor SPDX change conflict. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/android/binder.c')
-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 748ac489ef7e..bc26b5511f0a 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;