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authorDavid Woodhouse <dwmw2@infradead.org>2007-12-15 03:46:44 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:07:37 -0800
commit9fae899c2b5dc224042da63b14118abdb22ae9b6 (patch)
tree861ff7fc3577fe495d7a267578d977533a454c2e /drivers/net/wireless/libertas/cmd.h
parent3399ea5f239d49522212db179bca4de9e84b09df (diff)
libertas: ensure response buffer size is always set for lbs_cmd_with_response
Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/cmd.h')
-rw-r--r--drivers/net/wireless/libertas/cmd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 2f4c1ec5039..e334f0e623a 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -9,6 +9,10 @@
#define lbs_cmd(priv, cmdnr, cmd, cb, cb_arg) \
__lbs_cmd(priv, cmdnr, &(cmd)->hdr, sizeof(*(cmd)), cb, cb_arg)
+
+/* lbs_cmd_with_response() infers the size of the command to be _sent_
+ and requires that the caller sets cmd->size to the (LE) size of
+ the _response_ buffer. */
#define lbs_cmd_with_response(priv, cmdnr, cmd) \
lbs_cmd(priv, cmdnr, cmd, lbs_cmd_copyback, (unsigned long) (cmd))