On Mon, Sep 27, 2021 at 12:22 PM Greg Kroah-Hartman
[off-list ref] wrote:

On Mon, Sep 27, 2021 at 12:15:59PM +0200, Arnd Bergmann wrote:

quoted

From: Arnd Bergmann <arnd@arndb.de>

drivers/leds/led-class-flash.c: In function 'flash_fault_show':
drivers/leds/led-class-flash.c:210:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict]
  210 |         return sprintf(buf, "%s\n", buf);
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/leds/led-class-flash.c:187:54: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
  187 |                 struct device_attribute *attr, char *buf)
      |                                                ~~~~~~^~~
cc1: all warnings being treated as errors
make[5]: *** [scripts/Makefile.build:277: drivers/leds/led-class-flash.o] Error 1
make[5]: Target '__build' not remade because of errors.
make[4]: *** [scripts/Makefile.build:540: drivers/leds] Error 2
drivers/thunderbolt/xdomain.c: In function 'modalias_show':
drivers/thunderbolt/xdomain.c:733:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict]
  733 |         return sprintf(buf, "%s\n", buf);
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/thunderbolt/xdomain.c:727:36: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
  727 |                              char *buf)

You also have a thunderbolt change in here as well :(

Oh, and I forgot to explain the change, clearly this one was meant to go
into the 'rework, then send' pile of my fixes.

v2 coming in a bit.

       Arnd