firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-fs_fuse_dev.c.patch

43 lines
1.3 KiB
Diff

diff -drupN a/fs/fuse/dev.c b/fs/fuse/dev.c
--- a/fs/fuse/dev.c 2018-08-06 17:23:04.000000000 +0300
+++ b/fs/fuse/dev.c 2022-06-12 05:28:14.000000000 +0300
@@ -13,12 +13,14 @@
#include <linux/poll.h>
#include <linux/uio.h>
#include <linux/miscdevice.h>
+#include <linux/namei.h>
#include <linux/pagemap.h>
#include <linux/file.h>
#include <linux/slab.h>
#include <linux/pipe_fs_i.h>
#include <linux/swap.h>
#include <linux/splice.h>
+#include <linux/freezer.h>
MODULE_ALIAS_MISCDEV(FUSE_MINOR);
MODULE_ALIAS("devname:fuse");
@@ -453,7 +455,9 @@ static void request_wait_answer(struct f
* Either request is already in userspace, or it was forced.
* Wait it out.
*/
- wait_event(req->waitq, test_bit(FR_FINISHED, &req->flags));
+ while (!test_bit(FR_FINISHED, &req->flags))
+ wait_event_freezable(req->waitq,
+ test_bit(FR_FINISHED, &req->flags));
}
static void __fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
@@ -1880,6 +1884,12 @@ static ssize_t fuse_dev_do_write(struct
cs->move_pages = 0;
err = copy_out_args(cs, &req->out, nbytes);
+ if (req->in.h.opcode == FUSE_CANONICAL_PATH) {
+ char *path = (char *)req->out.args[0].value;
+
+ path[req->out.args[0].size - 1] = 0;
+ req->out.h.error = kern_path(path, 0, req->canonical_path);
+ }
fuse_copy_finish(cs);
spin_lock(&fpq->lock);