From 94443f43404239c2a6dc4252a7cb9e77f5b1eb6e Mon Sep 17 00:00:00 2001 From: Pavel Shilovsky Date: Fri, 7 Oct 2011 18:57:45 +0400 Subject: [PATCH] CIFS: Fix incorrect max RFC1002 write size value ..the length field has only 17 bits. Cc: Acked-by: Jeff Layton Signed-off-by: Pavel Shilovsky Signed-off-by: Steve French --- fs/cifs/connect.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index ff47c18..82bc0d2 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2809,10 +2809,10 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, /* * When the server doesn't allow large posix writes, only allow a wsize of - * 128k minus the size of the WRITE_AND_X header. That allows for a write up + * 2^17-1 minus the size of the WRITE_AND_X header. That allows for a write up * to the maximum size described by RFC1002. */ -#define CIFS_MAX_RFC1002_WSIZE (128 * 1024 - sizeof(WRITE_REQ) + 4) +#define CIFS_MAX_RFC1002_WSIZE ((1<<17) - 1 - sizeof(WRITE_REQ) + 4) /* * The default wsize is 1M. find_get_pages seems to return a maximum of 256 -- 2.7.4