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NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 20 Mar 2020 13:21:17 +0000 (16:21 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 24 Mar 2020 04:05:13 +0000 (21:05 -0700)
commit0dcdf9f64028ec3b75db6b691560f8286f3898bf
treef4c63d1d07996645851f6406368ba4e7d7e1084b
parentdddeb30bfc43926620f954266fd12c65a7206f07
NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()

The nci_conn_max_data_pkt_payload_size() function sometimes returns
-EPROTO so "max_size" needs to be signed for the error handling to
work.  We can make "payload_size" an int as well.

Fixes: a06347c04c13 ("NFC: Add Intel Fields Peak NFC solution driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/nfc/fdp/fdp.c