Kamlakant Patel f002612b9d ipmi_ssif: Fix kernel panic at msg_done_handler ... This happens when BMC doesn't return any data and the code is trying to print the value of data[2]. Getting following crash: [ 484.728410] Unable to handle kernel NULL pointer dereference at virtual address 00000002 [ 484.736496] pgd = ffff0000094a2000 [ 484.739885] [00000002] *pgd=00000047fcffe003, *pud=00000047fcffd003, *pmd=0000000000000000 [ 484.748158] Internal error: Oops: 96000005 [#1] SMP [...] [ 485.101451] Call trace: [...] [ 485.188473] [<ffff000000a46e68>] msg_done_handler+0x668/0x700 [ipmi_ssif] [ 485.195249] [<ffff000000a456b8>] ipmi_ssif_thread+0x110/0x128 [ipmi_ssif] [ 485.202038] [<ffff0000080f1430>] kthread+0x108/0x138 [ 485.206994] [<ffff0000080838e0>] ret_from_fork+0x10/0x30 [ 485.212294] Code: aa1903e1 aa1803e0 b900227f 95fef6a5 (39400aa3) Adding a check to validate the data len before printing data[2] to fix this issue. Signed-off-by: Kamlakant Patel <kamlakant.patel@cavium.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>		2018-03-13 07:12:26 -05:00
..
bt-bmc.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_bt_sm.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_devintf.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_dmi.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_dmi.h	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_kcs_sm.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_msghandler.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_powernv.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_poweroff.c	ipmi: use ARRAY_SIZE for poweroff_functions array sizing calculation	2018-03-06 19:47:51 -06:00
ipmi_si.h	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_si_hardcode.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_si_hotmod.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_si_intf.c	ipmi: missing error code in try_smi_init()	2018-03-06 19:47:52 -06:00
ipmi_si_mem_io.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_si_parisc.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_si_pci.c	ipmi:pci: Blacklist a Realtek "IPMI" device	2018-03-13 06:58:47 -05:00
ipmi_si_platform.c	ipmi: Remove ACPI SPMI probing from the system interface driver	2018-03-12 07:03:06 -05:00
ipmi_si_port_io.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_si_sm.h	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_smic_sm.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
ipmi_ssif.c	ipmi_ssif: Fix kernel panic at msg_done_handler	2018-03-13 07:12:26 -05:00
ipmi_watchdog.c	ipmi: Add or fix SPDX-License-Identifier in all files	2018-02-27 07:42:51 -06:00
Kconfig	ipmi: add an Aspeed KCS IPMI BMC driver	2018-02-26 09:21:28 -06:00
kcs_bmc.c	ipmi: kcs_bmc: coding-style fixes and use new poll type	2018-02-26 09:49:21 -06:00
kcs_bmc.h	ipmi: kcs_bmc: coding-style fixes and use new poll type	2018-02-26 09:49:21 -06:00
kcs_bmc_aspeed.c	ipmi: kcs_bmc: coding-style fixes and use new poll type	2018-02-26 09:49:21 -06:00
Makefile	ipmi: add an Aspeed KCS IPMI BMC driver	2018-02-26 09:21:28 -06:00