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PCC: fix dereference of ERR_PTR 

get_pcc_channel() does not return NULL on error it returns the error code
in ERR_PTR, but we have been checking it for NULL.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
hifive-unleashed-5.1
Sudip Mukherjee 2015-09-16 19:34:24 +05:30 committed by Jassi Brar
parent 049e6dde7e
commit d311a28a58
1 changed files with 1 additions and 1 deletions
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2
drivers/mailbox/pcc.c
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@ -122,7 +122,7 @@ struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
*/
chan = get_pcc_channel(subspace_id);
if (!chan || chan->cl) {
if (IS_ERR(chan) || chan->cl) {
dev_err(dev, "Channel not found for idx: %d\n", subspace_id);
return ERR_PTR(-EBUSY);
}