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greybus: es2: update the bulk_ep_set value accepted by map_to_cpor_ep()

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The endpoint set 0 is currently considered as invalid.
But 0 mean muxed cports on ep1 and ep2,
then it must not return -EINVAL.

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Alexandre Bailon 2015-09-04 16:55:42 +02:00 committed by Greg Kroah-Hartman
parent 8afd831ea0
commit 566830fdb1
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/greybus/es2.c
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@ -149,7 +149,7 @@ int map_cport_to_ep(struct es1_ap_dev *es1,
int retval;
struct cport_to_ep *cport_to_ep;
if (bulk_ep_set == 0 || bulk_ep_set >= NUM_BULKS)
if (bulk_ep_set < 0 || bulk_ep_set >= NUM_BULKS)
return -EINVAL;
if (cport_id >= es1->hd->num_cports)
return -EINVAL;