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(parent: 648db05) | patch
NFC: st21nfca: fix double free
authorPan Bian <bianpan2016@163.com>
Thu, 7 Nov 2019 01:33:20 +0000 (09:33 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 7 Nov 2019 05:48:29 +0000 (21:48 -0800)
commit99a8efbb6e30b72ac98cecf81103f847abffb1e5
treeed92ada605c3dbdcb6438597daa1a287c737be5btree | snapshot
parent648db0514a3808eead513d7abfaf650d02a64d5ccommit | diff
NFC: st21nfca: fix double free

The variable nfcid_skb is not changed in the callee nfc_hci_get_param()
if error occurs. Consequently, the freed variable nfcid_skb will be
freed again, resulting in a double free bug. Set nfcid_skb to NULL after
releasing it to fix the bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/nfc/st21nfca/core.c diff | blob | history
Domain: System / Kernel;