Atul Gupta df9d4a1780 net/tls: sleeping function from invalid context ... HW unhash within mutex for registered tls devices cause sleep when called from tcp_set_state for TCP_CLOSE. Release lock and re-acquire after function call with ref count incr/dec. defined kref and fp release for tls_device to ensure device is not released outside lock. BUG: sleeping function called from invalid context at kernel/locking/mutex.c:748 in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/7 INFO: lockdep is turned off. CPU: 7 PID: 0 Comm: swapper/7 Tainted: G W O Call Trace: <IRQ> dump_stack+0x5e/0x8b ___might_sleep+0x222/0x260 __mutex_lock+0x5c/0xa50 ? vprintk_emit+0x1f3/0x440 ? kmem_cache_free+0x22d/0x2a0 ? tls_hw_unhash+0x2f/0x80 ? printk+0x52/0x6e ? tls_hw_unhash+0x2f/0x80 tls_hw_unhash+0x2f/0x80 tcp_set_state+0x5f/0x180 tcp_done+0x2e/0xe0 tcp_rcv_state_process+0x92c/0xdd3 ? lock_acquire+0xf5/0x1f0 ? tcp_v4_rcv+0xa7c/0xbe0 ? tcp_v4_do_rcv+0x70/0x1e0 Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-12-14 13:39:39 -08:00
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chtls	net/tls: sleeping function from invalid context	2018-12-14 13:39:39 -08:00
chcr_algo.c	crypto: chelsio - Update ntx queue received from cxgb4	2018-10-17 14:16:19 +08:00
chcr_algo.h	crypt: chelsio - Send IV as Immediate for cipher algo	2018-05-31 00:13:48 +08:00
chcr_core.c	Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2018-10-25 16:43:35 -07:00
chcr_core.h	crypt: chelsio - Send IV as Immediate for cipher algo	2018-05-31 00:13:48 +08:00
chcr_crypto.h	Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2018-10-17 14:14:06 +08:00
chcr_ipsec.c	crypto: chelsio - request to HW should wrap	2018-05-19 00:13:56 +08:00
Kconfig	crypto: chtls - Makefile Kconfig	2018-03-31 23:37:33 -04:00
Makefile	crypto: chtls - Makefile Kconfig	2018-03-31 23:37:33 -04:00