dts: msm8917: add 1.49Ghz clock #1
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As 1.49Ghz is normal CPU clock
anoop142
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Sep 12, 2019
when create DMA pool for cmd frames failed, we should return -ENOMEM,
instead of 0.
In some case in:
megasas_init_adapter_fusion()
-->megasas_alloc_cmds()
-->megasas_create_frame_pool
create DMA pool failed,
--> megasas_free_cmds() [1]
-->megasas_alloc_cmds_fusion()
failed, then goto fail_alloc_cmds.
-->megasas_free_cmds() [2]
we will call megasas_free_cmds twice, [1] will kfree cmd_list,
[2] will use cmd_list.it will cause a problem:
Unable to handle kernel NULL pointer dereference at virtual address
00000000
pgd = ffffffc000f70000
[00000000] *pgd=0000001fbf893003, *pud=0000001fbf893003,
*pmd=0000001fbf894003, *pte=006000006d000707
Internal error: Oops: 96000005 [#1] SMP
Modules linked in:
CPU: 18 PID: 1 Comm: swapper/0 Not tainted
task: ffffffdfb9290000 ti: ffffffdfb923c000 task.ti: ffffffdfb923c000
PC is at megasas_free_cmds+0x30/0x70
LR is at megasas_free_cmds+0x24/0x70
...
Call trace:
[<ffffffc0005b779c>] megasas_free_cmds+0x30/0x70
[<ffffffc0005bca74>] megasas_init_adapter_fusion+0x2f4/0x4d8
[<ffffffc0005b926c>] megasas_init_fw+0x2dc/0x760
[<ffffffc0005b9ab0>] megasas_probe_one+0x3c0/0xcd8
[<ffffffc0004a5abc>] local_pci_probe+0x4c/0xb4
[<ffffffc0004a5c40>] pci_device_probe+0x11c/0x14c
[<ffffffc00053a5e4>] driver_probe_device+0x1ec/0x430
[<ffffffc00053a92c>] __driver_attach+0xa8/0xb0
[<ffffffc000538178>] bus_for_each_dev+0x74/0xc8
[<ffffffc000539e88>] driver_attach+0x28/0x34
[<ffffffc000539a18>] bus_add_driver+0x16c/0x248
[<ffffffc00053b234>] driver_register+0x6c/0x138
[<ffffffc0004a5350>] __pci_register_driver+0x5c/0x6c
[<ffffffc000ce3868>] megasas_init+0xc0/0x1a8
[<ffffffc000082a58>] do_one_initcall+0xe8/0x1ec
[<ffffffc000ca7be8>] kernel_init_freeable+0x1c8/0x284
[<ffffffc0008d90b8>] kernel_init+0x1c/0xe4.
Change-Id: I6a8af3e178b3ab9d143f1e12fbb0d6534db1a55f
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Git-commit: bcf3b67d16a4c8ffae0aa79de5853435e683945c
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Krishnamurthy K R <kkr@codeaurora.org>
anoop142
pushed a commit
that referenced
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Sep 12, 2019
A CDC Ethernet functional descriptor with wMaxSegmentSize = 0 will cause a divide error in usbnet_probe: divide error: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.0-rc8-44453-g1fdc1a82c34f #56 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Workqueue: usb_hub_wq hub_event task: ffff88006bef5c00 task.stack: ffff88006bf60000 RIP: 0010:usbnet_update_max_qlen+0x24d/0x390 drivers/net/usb/usbnet.c:355 RSP: 0018:ffff88006bf67508 EFLAGS: 00010246 RAX: 00000000000163c8 RBX: ffff8800621fce40 RCX: ffff8800621fcf34 RDX: 0000000000000000 RSI: ffffffff837ecb7a RDI: ffff8800621fcf34 RBP: ffff88006bf67520 R08: ffff88006bef5c00 R09: ffffed000c43f881 R10: ffffed000c43f880 R11: ffff8800621fc406 R12: 0000000000000003 R13: ffffffff85c71de0 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88006ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe9c0d6dac CR3: 00000000614f4000 CR4: 00000000000006f0 Call Trace: usbnet_probe+0x18b5/0x2790 drivers/net/usb/usbnet.c:1783 qmi_wwan_probe+0x133/0x220 drivers/net/usb/qmi_wwan.c:1338 usb_probe_interface+0x324/0x940 drivers/usb/core/driver.c:361 really_probe drivers/base/dd.c:413 driver_probe_device+0x522/0x740 drivers/base/dd.c:557 Fix by simply ignoring the bogus descriptor, as it is optional for QMI devices anyway. Fixes: 423ce8c ("net: usb: qmi_wwan: New driver for Huawei QMI based WWAN devices") Change-Id: I4d1597c40d91dc3a61754f68a0c8ce736c22cfb1 Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net> Git-commit: 7fd078337201cf7468f53c3d9ef81ff78cb6df3b Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git Signed-off-by: Krishnamurthy K R <kkr@codeaurora.org>
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As 1.49Ghz is normal CPU clock