lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

CIFS: Fix incorrect max RFC1002 write size value

Browse Source 
..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>
This commit is contained in:
Pavel Shilovsky
2011-10-07 18:57:45 +04:00
committed by Steve French
parent a52c1eb7ae
commit 94443f4340
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/cifs/connect.c
View File

@@ -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 * 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. * 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 * The default wsize is 1M. find_get_pages seems to return a maximum of 256