Description: smb: Fix regression in writes when non-standard maximum write size negotiated
References:
Notes:
 carnil> Introduced in d08089f649a0 ("cifs: Change the I/O paths to use an iterator
 carnil> rather than a page list"). Vulnerable versions: 6.3-rc1.
Bugs:
upstream: released (6.8-rc5) [4860abb91f3d7fbaf8147d54782149bb1fc45892]
6.7-upstream-stable: released (6.7.6) [63c35afd50e28b49c5b75542045a8c42b696dab9]
6.6-upstream-stable: released (6.6.18) [4145ccff546ea868428b3e0fe6818c6261b574a9]
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.7.7-1)
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"