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authorJeff Layton <jlayton@redhat.com>2010-02-10 16:18:25 -0500
committerSteve French <sfrench@us.ibm.com>2010-02-23 20:45:21 +0000
commit370b41911c0f1074e654a28466411b5c879e4dfd (patch)
tree9b72c19621063821606a4d6ae22fdb476ec7fdbb
parent9f3a6284880ceea452903e2043c88d7226736318 (diff)
downloadlinux-370b41911c0f1074e654a28466411b5c879e4dfd.tar.bz2
cifs: add parens around smb_var in BCC macros
...to remove ambiguity about how these values are interpreted when passing in more complex values as arguments. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
-rw-r--r--fs/cifs/cifspdu.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 3877737f96a6..14d036d8db11 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -415,10 +415,10 @@ struct smb_hdr {
__u8 WordCount;
} __attribute__((packed));
/* given a pointer to an smb_hdr retrieve the value of byte count */
-#define BCC(smb_var) (*(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
-#define BCC_LE(smb_var) (*(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
+#define BCC(smb_var) (*(__u16 *)((char *)(smb_var) + sizeof(struct smb_hdr) + (2 * (smb_var)->WordCount)))
+#define BCC_LE(smb_var) (*(__le16 *)((char *)(smb_var) + sizeof(struct smb_hdr) + (2 * (smb_var)->WordCount)))
/* given a pointer to an smb_hdr retrieve the pointer to the byte area */
-#define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount) + 2)
+#define pByteArea(smb_var) ((unsigned char *)(smb_var) + sizeof(struct smb_hdr) + (2 * (smb_var)->WordCount) + 2)
/*
* Computer Name Length (since Netbios name was length 16 with last byte 0x20)