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netfs: Fix leak of request in netfs_write_begin() error handling

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Fix netfs_write_begin() to not leak our ref on the request in the event
that we get an error from netfs_wait_for_read().

Fixes: 4090b31422 ("netfs: Add a function to consolidate beginning a read")
Closes: https://sashiko.dev/#/patchset/20260414082004.3756080-1-dhowells%40redhat.com
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/20260512123404.719402-19-dhowells@redhat.com
cc: Paulo Alcantara <pc@manguebit.org>
cc: Matthew Wilcox <willy@infradead.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
David Howells 2026-05-12 13:33:55 +01:00 committed by Christian Brauner
parent 3e5dd91b87
commit 5046a34f06
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1 changed files with 1 additions and 1 deletions
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2
fs/netfs/buffered_read.c
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@ -687,9 +687,9 @@ int netfs_write_begin(struct netfs_inode *ctx,
netfs_read_to_pagecache(rreq, NULL);
ret = netfs_wait_for_read(rreq);
netfs_put_request(rreq, netfs_rreq_trace_put_return);
if (ret < 0)
goto error;
netfs_put_request(rreq, netfs_rreq_trace_put_return);
have_folio:
ret = folio_wait_private_2_killable(folio);