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buspirate: ignore return value and fix warning 

Perhaps we could do one better and propagate the error?

Change-Id: Idc45f516c26f09de4ee01fe05e8d3475f4b80db3
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Reviewed-on: http://openocd.zylin.com/43
Tested-by: jenkins
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>
__archive__
Øyvind Harboe 2011-10-22 00:40:51 +02:00 committed by Øyvind Harboe
parent 5179738062
commit 8d5e34635c
1 changed files with 2 additions and 2 deletions
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4
src/jtag/drivers/buspirate.c
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@ -757,13 +757,13 @@ static void buspirate_jtag_enable(int fd)
static void buspirate_jtag_reset(int fd) static void buspirate_jtag_reset(int fd)
{ {
int ret;
char tmp[5]; char tmp[5];
tmp[0] = 0x00; /* exit OCD1 mode */ tmp[0] = 0x00; /* exit OCD1 mode */
buspirate_serial_write(fd, tmp, 1); buspirate_serial_write(fd, tmp, 1);
usleep(10000); usleep(10000);
ret = buspirate_serial_read(fd, tmp, 5); /* We ignore the return value here purposly, nothing we can do */
buspirate_serial_read(fd, tmp, 5);
if (strncmp(tmp, "BBIO1", 5) == 0) { if (strncmp(tmp, "BBIO1", 5) == 0) {
tmp[0] = 0x0F; /* reset BP */ tmp[0] = 0x0F; /* reset BP */
buspirate_serial_write(fd, tmp, 1); buspirate_serial_write(fd, tmp, 1);