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authorTomas Winkler <tomas.winkler@intel.com>2016-11-11 02:00:07 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-15 10:56:52 +0100
commit17ba8a08b58a01bbac35790ffca4388ca92b7790 (patch)
tree856d163b16e05878fc9bc5b5e576b34a3e25e93f /drivers/misc/mei/interrupt.c
parentmcb: fix compiler warning logical-op in mcb-parse.c (diff)
downloadlinux-17ba8a08b58a01bbac35790ffca4388ca92b7790.tar.xz
linux-17ba8a08b58a01bbac35790ffca4388ca92b7790.zip
mei: consolidate repeating code in mei_cl_irq_read_msg
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to '')
-rw-r--r--drivers/misc/mei/interrupt.c7
1 files 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;
}