[PATCH 1/5] netfs: Fix a missing rreq put in netfs_write_begin()

From: David Howells
Date: Wed Apr 07 2021 - 11:47:38 EST


netfs_write_begin() needs to drop a ref on the read request if the network
filesystem gives an error when called to begin the caching op.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

fs/netfs/read_helper.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
index 3498bde035eb..0066db21aa11 100644
--- a/fs/netfs/read_helper.c
+++ b/fs/netfs/read_helper.c
@@ -1169,6 +1169,8 @@ int netfs_write_begin(struct file *file, struct address_space *mapping,
_leave(" = 0");
return 0;

+error_put:
+ netfs_put_read_request(rreq, false);
error:
unlock_page(page);
put_page(page);