Greg Edwards ce7c6c9e1d mpt3sas: Fix resume on WarpDrive flash cards ... mpt3sas crashes on resume after suspend with WarpDrive flash cards. The reply_post_host_index array is not set back up after the resume, and we deference a stale pointer in _base_interrupt(). [ 47.309711] BUG: unable to handle kernel paging request at ffffc90001f8006c [ 47.318289] IP: [<ffffffffc00863ef>] _base_interrupt+0x49f/0xa30 [mpt3sas] [ 47.326749] PGD 41ccaa067 PUD 41ccab067 PMD 3466c067 PTE 0 [ 47.333848] Oops: 0002 [#1] SMP ... [ 47.452708] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.7.0 #6 [ 47.460506] Hardware name: Dell Inc. OptiPlex 990/06D7TR, BIOS A18 09/24/2013 [ 47.469629] task: ffffffff81c0d500 ti: ffffffff81c00000 task.ti: ffffffff81c00000 [ 47.479112] RIP: 0010:[<ffffffffc00863ef>] [<ffffffffc00863ef>] _base_interrupt+0x49f/0xa30 [mpt3sas] [ 47.490466] RSP: 0018:ffff88041d203e30 EFLAGS: 00010002 [ 47.497801] RAX: 0000000000000001 RBX: ffff880033f4c000 RCX: 0000000000000001 [ 47.506973] RDX: ffffc90001f8006c RSI: 0000000000000082 RDI: 0000000000000082 [ 47.516141] RBP: ffff88041d203eb0 R08: ffff8804118e2820 R09: 0000000000000001 [ 47.525300] R10: 0000000000000001 R11: 00000000100c0000 R12: 0000000000000000 [ 47.534457] R13: ffff880412c487e0 R14: ffff88041a8987d8 R15: 0000000000000001 [ 47.543632] FS: 0000000000000000(0000) GS:ffff88041d200000(0000) knlGS:0000000000000000 [ 47.553796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.561632] CR2: ffffc90001f8006c CR3: 0000000001c06000 CR4: 00000000000406f0 [ 47.570883] Stack: [ 47.575015] 000000001d211228 ffff88041d2100c0 ffff8800c47d8130 0000000000000100 [ 47.584625] ffff8804100c0000 100c000000000000 ffff88041a8992a0 ffff88041a8987f8 [ 47.594230] ffff88041d203e00 ffffffff81111e55 000000000000038c ffff880414ad4280 [ 47.603862] Call Trace: [ 47.608474] <IRQ> [ 47.610413] [<ffffffff81111e55>] ? call_timer_fn+0x35/0x120 [ 47.620539] [<ffffffff81100a1f>] handle_irq_event_percpu+0x7f/0x1c0 [ 47.629061] [<ffffffff81100b8c>] handle_irq_event+0x2c/0x50 [ 47.636859] [<ffffffff81103fff>] handle_edge_irq+0x6f/0x130 [ 47.644654] [<ffffffff8102fbf3>] handle_irq+0x73/0x120 [ 47.652011] [<ffffffff810c6ada>] ? atomic_notifier_call_chain+0x1a/0x20 [ 47.660854] [<ffffffff817e374b>] do_IRQ+0x4b/0xd0 [ 47.667777] [<ffffffff817e160c>] common_interrupt+0x8c/0x8c [ 47.675635] <EOI> Move the reply_post_host_index array setup into mpt3sas_base_map_resources(), which is also in the resume path. Cc: stable@vger.kernel.org Signed-off-by: Greg Edwards <gedwards@fireweed.org> Acked-by: Chaitra P B <chaitra.basappa@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>		2016-08-12 16:11:57 -04:00
..
mpi	mpt3sas: Update MPI header to 2.00.42	2016-05-11 16:10:56 -04:00
Kconfig	mpt3sas: fix Kconfig dependency problem for mpt2sas back compatibility	2015-12-03 09:31:23 -08:00
Makefile	mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs	2015-11-11 19:50:11 -05:00
mpt3sas_base.c	mpt3sas: Fix resume on WarpDrive flash cards	2016-08-12 16:11:57 -04:00
mpt3sas_base.h	mpt3sas: Used "synchronize_irq()"API to synchronize timed-out IO & TMs	2016-05-11 16:14:31 -04:00
mpt3sas_config.c	mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs	2015-11-11 19:50:11 -05:00
mpt3sas_ctl.c	mpt3sas: Fix for Asynchronous completion of timedout IO and task abort of timedout IO.	2016-02-23 21:27:02 -05:00
mpt3sas_ctl.h	mpt3sas: Ported WarpDrive product SSS6200 support	2015-11-11 18:56:10 -05:00
mpt3sas_debug.h	mpt2sas, mpt3sas: Remove SCSI_MPTXSAS_LOGGING entry from Kconfig	2015-11-11 18:31:14 -05:00
mpt3sas_scsih.c	mpt3sas: Fix panic when aer correct error occurred	2016-07-15 15:08:30 -04:00
mpt3sas_transport.c	mpt3sas: avoid mpt3sas_transport_port_add NULL parent_dev	2016-07-12 23:16:31 -04:00
mpt3sas_trigger_diag.c
mpt3sas_trigger_diag.h
mpt3sas_warpdrive.c	mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs	2015-11-11 19:50:11 -05:00