From: Arnd Bergmann <a...@arndb.de> Date: Wed, 26 Jul 2017 09:55:33 +0200
> gcc warns that the device name might overflow: > > drivers/net/hamradio/dmascc.c: In function 'dmascc_init': > drivers/net/hamradio/dmascc.c:584:22: error: 'sprintf' may write a > terminating nul past the end of the destination [-Werror=format-overflow=] > sprintf(dev->name, "dmascc%i", 2 * n + i); > drivers/net/hamradio/dmascc.c:584:3: note: 'sprintf' output between 8 and 17 > bytes into a destination of size 16 > sprintf(dev->name, "dmascc%i", 2 * n + i); > > From the static data in this file, I can tell that the index is > strictly limited to 16, so it won't overflow. This simply changes > the sprintf() to snprintf(), which is a good idea in general, > and shuts up this warning. > > Signed-off-by: Arnd Bergmann <a...@arndb.de> Applied to net-next.