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On Kernel 4.9, WARNINGs about doing DMA on stack are hit at the dw2102 driver: one in su3000_power_ctrl() and the other in tt_s2_4600_frontend_attach(). Both were due to the use of buffers on the stack as parameters to dvb_usb_generic_rw() and the resulting attempt to do DMA with them. The device was non-functional as a result. So, switch this driver over to use a buffer within the device state structure, as has been done with other DVB-USB drivers. Tested with TechnoTrend TT-connect S2-4600. [mchehab@osg.samsung.com: fixed a warning at su3000_i2c_transfer() that state var were dereferenced before check 'd'] Signed-off-by: Jonathan McDowell <noodles@earth.li> Cc: <stable@vger.kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> |
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| firmware | ||
| fs | ||
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| kernel | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.