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Subject[char-misc-next 1/3] mei: consolidate repeating code in mei_cl_irq_read_msg
Date
A cb is always placed on the completion queue
during discarding queue. Hence this can be performed
upon discard.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
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
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