diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-23 09:23:33 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-23 09:23:33 +0200 |
| commit | 8083f3d78825c0ea1948339613914b46105bfd0b (patch) | |
| tree | 25319c8651919f48cbae12eb3fe7490413ff9669 /drivers/android | |
| parent | lkdtm: Check for SMEP clearing protections (diff) | |
| parent | Linux 5.2-rc6 (diff) | |
| download | linux-8083f3d78825c0ea1948339613914b46105bfd0b.tar.xz linux-8083f3d78825c0ea1948339613914b46105bfd0b.zip | |
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.c | 16 |
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; |