cifs: sanitize paths in cifs_update_super_prepath.

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[ Upstream commit d19342c660 ]

After a server reboot, clients are failing to move files with ENOENT.
This is caused by DFS referrals containing multiple separators, which
the server move call doesn't recognize.

v1: Initial patch.
v2: Move prototype to header.

Link: https://bugzilla.redhat.com/show_bug.cgi?id=2182472
Fixes: a31080899d ("cifs: sanitize multiple delimiters in prepath")
Actually-Fixes: 24e0a1eff9 ("cifs: switch to new mount api")
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Thiago Rafael Becker <tbecker@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Thiago Rafael Becker 2023-04-05 10:16:48 -03:00 • committed by Greg Kroah-Hartman

parent 012c045d61

commit fb9ec305e7

3 changed files with 11 additions and 7 deletions

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13

fs/cifs/fs_context.c

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3

fs/cifs/fs_context.h

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2

fs/cifs/misc.c

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