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(parent: 48a322b) | patch
nfc: port100: handle command failure cleanly
authorOliver Neukum <oneukum@suse.com>
Thu, 21 Nov 2019 10:37:10 +0000 (11:37 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 Nov 2019 19:48:17 +0000 (11:48 -0800)
commit5f9f0b11f0816b35867f2cf71e54d95f53f03902
treebe2351a27135d97fbc97c2ad6bbce0b5de08c8catree | snapshot
parent48a322b6f9965b2f1e4ce81af972f0e287b07ed0commit | diff
nfc: port100: handle command failure cleanly

If starting the transfer of a command suceeds but the transfer for the reply
fails, it is not enough to initiate killing the transfer for the
command may still be running. You need to wait for the killing to finish
before you can reuse URB and buffer.

Reported-and-tested-by: syzbot+711468aa5c3a1eabf863@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/nfc/port100.c diff | blob | history
Domain: System / Kernel;