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authorJeff Layton <jlayton@redhat.com>2011-01-20 13:36:51 -0500
committerSteve French <sfrench@us.ibm.com>2011-01-20 21:46:29 +0000
commit690c522fa5a62825af880775e3ef1e55755667b2 (patch)
treeff953bba1050b54cc9be452a599ac1faf580c3b7 /fs/cifs/netmisc.c
parentaae62fdb6b9a6605abdea7370c4a0e005e6c1cd7 (diff)
cifs: use get/put_unaligned functions to access ByteCount
It's possible that when we access the ByteCount that the alignment will be off. Most CPUs deal with that transparently, but there's usually some performance impact. Some CPUs raise an exception on unaligned accesses. Fix this by accessing the byte count using the get_unaligned and put_unaligned inlined functions. While we're at it, fix the types of some of the variables that end up getting returns from these functions. Acked-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/netmisc.c')
-rw-r--r--fs/cifs/netmisc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index 6783ce6cdc8..8d9189f6447 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -916,14 +916,14 @@ unsigned int
smbCalcSize(struct smb_hdr *ptr)
{
return (sizeof(struct smb_hdr) + (2 * ptr->WordCount) +
- 2 /* size of the bcc field */ + BCC(ptr));
+ 2 /* size of the bcc field */ + get_bcc(ptr));
}
unsigned int
smbCalcSize_LE(struct smb_hdr *ptr)
{
return (sizeof(struct smb_hdr) + (2 * ptr->WordCount) +
- 2 /* size of the bcc field */ + le16_to_cpu(BCC_LE(ptr)));
+ 2 /* size of the bcc field */ + get_bcc_le(ptr));
}
/* The following are taken from fs/ntfs/util.c */