A cb is always placed on the completion queue during discarding queue. Hence this can be performed upon discard.
Signed-off-by: Tomas Winkler <[email protected]> --- drivers/misc/mei/interrupt.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 5a4893ce9c24..b584749bcc4a 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -118,7 +118,6 @@ int mei_cl_irq_read_msg(struct mei_cl *cl, if (!mei_cl_is_connected(cl)) { cl_dbg(dev, cl, "not connected\n"); - list_move_tail(&cb->list, &complete_list->list); cb->status = -ENODEV; goto discard; } @@ -128,8 +127,6 @@ int mei_cl_irq_read_msg(struct mei_cl *cl, if (buf_sz < cb->buf_idx) { cl_err(dev, cl, "message is too big len %d idx %zu\n", mei_hdr->length, cb->buf_idx); - - list_move_tail(&cb->list, &complete_list->list); cb->status = -EMSGSIZE; goto discard; } @@ -137,8 +134,6 @@ int mei_cl_irq_read_msg(struct mei_cl *cl, if (cb->buf.size < buf_sz) { cl_dbg(dev, cl, "message overflow. size %zu len %d idx %zu\n", cb->buf.size, mei_hdr->length, cb->buf_idx); - - list_move_tail(&cb->list, &complete_list->list); cb->status = -EMSGSIZE; goto discard; } @@ -158,6 +153,8 @@ int mei_cl_irq_read_msg(struct mei_cl *cl, return 0; discard: + if (cb) + list_move_tail(&cb->list, &complete_list->list); mei_irq_discard_msg(dev, mei_hdr); return 0; } -- 2.7.4
