CIFS: Fix incorrect max RFC1002 write size value
..the length field has only 17 bits. Cc: <stable@kernel.org> Acked-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
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@ -2809,10 +2809,10 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
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/*
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* When the server doesn't allow large posix writes, only allow a wsize of
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* 128k minus the size of the WRITE_AND_X header. That allows for a write up
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* 2^17-1 minus the size of the WRITE_AND_X header. That allows for a write up
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* to the maximum size described by RFC1002.
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*/
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#define CIFS_MAX_RFC1002_WSIZE (128 * 1024 - sizeof(WRITE_REQ) + 4)
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#define CIFS_MAX_RFC1002_WSIZE ((1<<17) - 1 - sizeof(WRITE_REQ) + 4)
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/*
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* The default wsize is 1M. find_get_pages seems to return a maximum of 256
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