On Tue, 18 Jul 2017 13:48:04 +0200, Arnd Bergmann wrote:
The compiler sees that the format string might overflow for the longname:
sound/isa/als100.c: In function 'snd_als100_pnp_detect': sound/isa/als100.c:225:27: error: ', dma ' directive writing 6 bytes into a region of size between 0 and 64 [-Werror=format-overflow=] sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/isa/als100.c:225:3: note: 'sprintf' output between 24 and 113 bytes into a destination of size 80 sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
Open-coding "shortname" here gets us below the limit, and using snprintf() is a good idea too.
Signed-off-by: Arnd Bergmann arnd@arndb.de
Thanks, applied all 7 patches now to for-next branch.
Takashi