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Convert MessageID in smb2_hdr to LE

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We have encountered failures when When testing smb2 mounts on ppc64
machines when using both Samba as well as Windows 2012.

On poking around, the problem was determined to be caused by the
high endian MessageID passed in the header for smb2. On checking the
corresponding MID for smb1 is converted to LE before being sent on the
wire.

We have tested this patch successfully on a ppc64 machine.

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
This commit is contained in:
Sachin Prabhu
2014-12-09 17:37:00 +00:00
committed by Steve French
parent 9ea18f8cab
commit 9235d09873
5 changed files with 14 additions and 11 deletions
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6
fs/cifs/cifsglob.h
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@@ -661,16 +661,16 @@ set_credits(struct TCP_Server_Info *server, const int val)
server->ops->set_credits(server, val);
}
static inline __u64
static inline __le64
get_next_mid64(struct TCP_Server_Info *server)
{
return server->ops->get_next_mid(server);
return cpu_to_le64(server->ops->get_next_mid(server));
}
static inline __le16
get_next_mid(struct TCP_Server_Info *server)
{
__u16 mid = get_next_mid64(server);
__u16 mid = server->ops->get_next_mid(server);
/*
* The value in the SMB header should be little endian for easy
* on-the-wire decoding.