| From 94443f43404239c2a6dc4252a7cb9e77f5b1eb6e Mon Sep 17 00:00:00 2001 |
| From: Pavel Shilovsky <piastry@etersoft.ru> |
| Date: Fri, 7 Oct 2011 18:57:45 +0400 |
| Subject: CIFS: Fix incorrect max RFC1002 write size value |
| |
| From: Pavel Shilovsky <piastry@etersoft.ru> |
| |
| commit 94443f43404239c2a6dc4252a7cb9e77f5b1eb6e upstream. |
| |
| ..the length field has only 17 bits. |
| |
| Acked-by: Jeff Layton <jlayton@samba.org> |
| Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> |
| Signed-off-by: Steve French <smfrench@gmail.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| fs/cifs/connect.c | 4 ++-- |
| 1 file changed, 2 insertions(+), 2 deletions(-) |
| |
| --- a/fs/cifs/connect.c |
| +++ b/fs/cifs/connect.c |
| @@ -2807,10 +2807,10 @@ void cifs_setup_cifs_sb(struct smb_vol * |
| |
| /* |
| * 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 |
