Description: f2fs: fix to avoid NULL pointer dereference f2fs_write_end_io()
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2210102
 https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao@kernel.org/
Notes:
 carnil> Commit fixes b4b10061ef98 ("f2fs: refactor resize_fs to avoid
 carnil> meta updates in progress") in 5.8-rc1.
 carnil> Fixed as well in 6.4.4 for 6.4.y.
Bugs:
upstream: released (6.5-rc1) [d8189834d4348ae608083e1f1f53792cfcc2a9bc]
6.1-upstream-stable: released (6.1.39) [ebe83e9bb8a6b3db28603fe938ee80ccaa01ed53]
5.10-upstream-stable: released (5.10.188) [b39ef5b52f10b819bd0ceeb22e8f7df7800880ca]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.4.4-1)
6.1-bookworm-security: released (6.1.52-1)
5.10-bullseye-security: released (5.10.191-1)
4.19-buster-security: N/A "Vulnerable code not present"