From: WANG Cong Constify two char pointers and a struct in Documentation/spi/spidev_test.c. Acked-by: David Brownell Cc: Anton Vorontsov Signed-off-by: WANG Cong Signed-off-by: Andrew Morton --- Documentation/spi/spidev_test.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff -puN Documentation/spi/spidev_test.c~documentation-spi-spidev_testc-constify-some-variables Documentation/spi/spidev_test.c --- a/Documentation/spi/spidev_test.c~documentation-spi-spidev_testc-constify-some-variables +++ a/Documentation/spi/spidev_test.c @@ -29,7 +29,7 @@ static void pabort(const char *s) abort(); } -static char *device = "/dev/spidev1.1"; +static const char *device = "/dev/spidev1.1"; static uint8_t mode; static uint8_t bits = 8; static uint32_t speed = 500000; @@ -69,7 +69,7 @@ static void transfer(int fd) puts(""); } -void print_usage(char *prog) +void print_usage(const char *prog) { printf("Usage: %s [-DsbdlHOLC3]\n", prog); puts(" -D --device device to use (default /dev/spidev1.1)\n" @@ -88,7 +88,7 @@ void print_usage(char *prog) void parse_opts(int argc, char *argv[]) { while (1) { - static struct option lopts[] = { + static const struct option lopts[] = { { "device", 1, 0, 'D' }, { "speed", 1, 0, 's' }, { "delay", 1, 0, 'd' }, _