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linux/drivers/net/ethernet/sfc
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Bert Kenward d4a7a8893d sfc: pass valid pointers from efx_enqueue_unwind 
The bytes_compl and pkts_compl pointers passed to efx_dequeue_buffers
cannot be NULL. Add a paranoid warning to check this condition and fix
the one case where they were NULL.

efx_enqueue_unwind() is called very rarely, during error handling.
Without this fix it would fail with a NULL pointer dereference in
efx_dequeue_buffer, with efx_enqueue_skb in the call stack.

Fixes: e9117e5099 ("sfc: Firmware-Assisted TSO version 2")
Reported-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Tested-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-08 13:25:39 -05:00
..
falcon Merge branch 'akpm' (patches from Andrew) 2017-11-15 19:42:40 -08:00
bitfield.h
ef10.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-11-15 11:56:19 -08:00
ef10_regs.h
ef10_sriov.c
ef10_sriov.h
efx.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-11-15 11:56:19 -08:00
efx.h net: ethernet/sfc: Convert timers to use timer_setup() 2017-10-25 12:57:33 +09:00
enum.h
ethtool.c
farch.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-11-15 11:56:19 -08:00
farch_regs.h
filter.h
io.h
Kconfig
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mcdi.c net: ethernet/sfc: Convert timers to use timer_setup() 2017-10-25 12:57:33 +09:00
mcdi.h
mcdi_mon.c
mcdi_pcol.h
mcdi_port.c sfc: support rx-fcs and rx-all 2017-11-01 21:26:35 +09:00
mtd.c
net_driver.h
nic.c
nic.h locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
ptp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-11-15 11:56:19 -08:00
rx.c Merge branch 'akpm' (patches from Andrew) 2017-11-15 19:42:40 -08:00
selftest.c
selftest.h
siena.c
siena_sriov.c
siena_sriov.h
sriov.c
sriov.h
tx.c sfc: pass valid pointers from efx_enqueue_unwind 2017-12-08 13:25:39 -05:00
tx.h
tx_tso.c
vfdi.h
workarounds.h