linux/drivers/usb/gadget
Tong Zhang 72035f4954 usb: gadget: udc: amd5536udc_pci fix null-ptr-dereference
init_dma_pools() calls dma_pool_create(...dev->dev) to create dma pool.
however, dev->dev is actually set after calling init_dma_pools(), which
effectively makes dma_pool_create(..NULL) and cause crash.
To fix this issue, init dma only after dev->dev is set.

[    1.317993] RIP: 0010:dma_pool_create+0x83/0x290
[    1.323257] Call Trace:
[    1.323390]  ? pci_write_config_word+0x27/0x30
[    1.323626]  init_dma_pools+0x41/0x1a0 [snps_udc_core]
[    1.323899]  udc_pci_probe+0x202/0x2b1 [amd5536udc_pci]

Fixes: 7c51247a1f (usb: gadget: udc: Provide correct arguments for 'dma_pool_create')
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Link: https://lore.kernel.org/r/20210317230400.357756-1-ztong0001@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-23 13:25:07 +01:00
..
function usb: gadget: f_uac1: stop playback on function disable 2021-03-10 09:36:12 +01:00
legacy Merge 5.11-rc7 into usb-next 2021-02-08 09:09:27 +01:00
udc usb: gadget: udc: amd5536udc_pci fix null-ptr-dereference 2021-03-23 13:25:07 +01:00
composite.c usb: gadget: composite: Report various SSP sublink speeds 2021-01-18 18:41:11 +01:00
config.c
configfs.c usb: gadget: configfs: Fix KASAN use-after-free 2021-03-17 21:29:46 +01:00
configfs.h
epautoconf.c usb: gadget: move non-super speed code out of usb_ep_autoconfig_ss() 2019-02-07 13:14:51 +02:00
functions.c
Kconfig usb: gadget: select CONFIG_CRC32 2021-01-04 16:54:29 +01:00
Makefile Revert "usb:gadget Separated decoding functions from dwc3 driver." 2019-07-04 13:02:09 +02:00
u_f.c usb: gadget: Change Andrzej Pietrasiewicz's e-mail address 2019-02-11 11:12:29 +02:00
u_f.h USB: gadget: u_f: Unbreak offset calculation in VLAs 2020-08-27 09:25:06 +02:00
u_os_desc.h usb: gadget: Change Andrzej Pietrasiewicz's e-mail address 2019-02-11 11:12:29 +02:00
usbstring.c usb: gadget: fix langid kernel-doc warning in usbstring.c 2020-07-09 10:13:07 +03:00