On Wed, Feb 21, 2018 at 01:18:49PM +0100, Arnd Bergmann wrote: > A section type mismatch warning shows up when building with LTO, > since orion_ge00_mvmdio_bus_name was put in __initconst but not marked > const itself: > > include/linux/of.h: In function 'spear_setup_of_timer': > arch/arm/mach-spear/time.c:207:34: error: 'timer_of_match' causes a section type conflict with 'orion_ge00_mvmdio_bus_name' > static const struct of_device_id timer_of_match[] __initconst = { > ^ > arch/arm/plat-orion/common.c:475:32: note: 'orion_ge00_mvmdio_bus_name' was declared here > static __initconst const char *orion_ge00_mvmdio_bus_name = "orion-mii"; > ^ > > As pointed out by Andrew Lunn, it should in fact be 'const' but not > '__initconst' because the string is never copied but may be accessed > after the init sections are freed. To fix that, I get rid of the > extra symbol and rewrite the initialization in a simpler way that > assigns both the bus_id and modalias statically. > > I spotted another theoretical bug in the same place, where d->netdev[i] > may be an out of bounds access, this can be fixed by moving the device > assignment into the loop. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Andrew