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mei: use only one buffer in callback

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The callback structure is used exclusively for reading or writing
therefore there is no reason to hold both response and request buffers
in the callback structure

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler
2015-02-10 10:39:42 +02:00
committed by Greg Kroah-Hartman
parent 331e418701
commit 5db7514d93
7 changed files with 31 additions and 63 deletions
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6
drivers/misc/mei/bus.c
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@@ -261,11 +261,11 @@ static ssize_t ___mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
goto out;
}
rets = mei_io_cb_alloc_req_buf(cb, length);
rets = mei_io_cb_alloc_buf(cb, length);
if (rets < 0)
goto out;
memcpy(cb->request_buffer.data, buf, length);
memcpy(cb->buf.data, buf, length);
rets = mei_cl_write(cl, cb, blocking);
@@ -328,7 +328,7 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
}
r_length = min_t(size_t, length, cb->buf_idx);
memcpy(buf, cb->response_buffer.data, r_length);
memcpy(buf, cb->buf.data, r_length);
rets = r_length;
free: