cifs: use DFS root session instead of tcon ses

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commit 6284e46bdd upstream.

Use DFS root session whenever possible to get new DFS referrals
otherwise we might end up with an IPC tcon (tcon->ses->tcon_ipc) that
doesn't respond to them.  It should be safe accessing
@ses->dfs_root_ses directly in cifs_inval_name_dfs_link_error() as it
has same lifetime as of @tcon.

Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Cc: stable@vger.kernel.org # 6.2
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Paulo Alcantara 2023-03-14 20:32:56 -03:00 • committed by Greg Kroah-Hartman

parent dd83d228ef

commit ea4804fb5f

1 changed files with 1 additions and 0 deletions

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fs/cifs/misc.c

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