From: Arnd Bergmann <a...@arndb.de> Date: Fri, 14 Jul 2017 14:07:00 +0200
> One string we pass into the cs->info buffer might be too long, > as pointed out by gcc: > > drivers/isdn/divert/isdn_divert.c: In function 'll_callback': > drivers/isdn/divert/isdn_divert.c:488:22: error: '%d' directive writing > between 1 and 3 bytes into a region of size between 1 and 69 > [-Werror=format-overflow=] > sprintf(cs->info, "%d 0x%lx %s %s %s %s 0x%x 0x%x %d %d %s\n", > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/isdn/divert/isdn_divert.c:488:22: note: directive argument in the > range [0, 255] > drivers/isdn/divert/isdn_divert.c:488:4: note: 'sprintf' output 25 or more > bytes (assuming 129) into a destination of size 90 > > This is unlikely to actually cause problems, so let's use snprintf > as a simple workaround to shut up the warning and truncate the > buffer instead. > > Signed-off-by: Arnd Bergmann <a...@arndb.de> Applied.
