From: Olliver Schinagl <[email protected]> We shouldn't return -1 (the default error code for the ioctl) but instead return errno. Our big brother does the same, so we should follow suit.
Signed-off-by: Olliver Schinagl <[email protected]> --- miscutils/i2c_tools.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c index e0ca9fe41..1ffdde957 100644 --- a/miscutils/i2c_tools.c +++ b/miscutils/i2c_tools.c @@ -118,7 +118,10 @@ static int32_t i2c_smbus_access(int fd, char read_write, uint8_t cmd, args.size = size; args.data = data; - return ioctl(fd, I2C_SMBUS, &args); + if (ioctl(fd, I2C_SMBUS, &args)) + return -errno; + + return 0; } static int32_t i2c_smbus_read_byte(int fd) -- 2.51.1.dirty _______________________________________________ busybox mailing list [email protected] https://lists.busybox.net/mailman/listinfo/busybox
