summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/android/binder.c2
-rw-r--r--fs/file.c3
-rw-r--r--fs/io_uring.c5
3 files changed, 4 insertions, 6 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 27c9b004823a..73beea5dc18c 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1857,6 +1857,8 @@ static void binder_deferred_fd_close(int fd)
init_task_work(&twcb->twork, binder_do_fd_close);
twcb->file = close_fd_get_file(fd);
if (twcb->file) {
+ // pin it until binder_do_fd_close(); see comments there
+ get_file(twcb->file);
filp_close(twcb->file, current->files);
task_work_add(current, &twcb->twork, TWA_RESUME);
} else {
diff --git a/fs/file.c b/fs/file.c
index dd6692048f4f..3bcc1ecc314a 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -800,8 +800,7 @@ struct file *__close_fd_get_file(unsigned int fd)
/*
* variant of close_fd that gets a ref on the file for later fput.
- * The caller must ensure that filp_close() called on the file, and then
- * an fput().
+ * The caller must ensure that filp_close() called on the file.
*/
struct file *close_fd_get_file(unsigned int fd)
{
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 7257b0870353..33da5116cc38 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5110,7 +5110,7 @@ static int io_close(struct io_kiocb *req, unsigned int issue_flags)
struct files_struct *files = current->files;
struct io_close *close = &req->close;
struct fdtable *fdt;
- struct file *file = NULL;
+ struct file *file;
int ret = -EBADF;
if (req->close.file_slot) {
@@ -5127,7 +5127,6 @@ static int io_close(struct io_kiocb *req, unsigned int issue_flags)
file = fdt->fd[close->fd];
if (!file || file->f_op == &io_uring_fops) {
spin_unlock(&files->file_lock);
- file = NULL;
goto err;
}
@@ -5147,8 +5146,6 @@ static int io_close(struct io_kiocb *req, unsigned int issue_flags)
err:
if (ret < 0)
req_set_fail(req);
- if (file)
- fput(file);
__io_req_complete(req, issue_flags, ret, 0);
return 0;
}