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i2c: Fix return status of i2c dev read/write

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This commit is contained in:
Sebastian Huber
2015-07-23 09:00:31 +02:00
parent 19078dc6e6
commit 08135c85d8
2 changed files with 31 additions and 8 deletions
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16
cpukit/dev/i2c/i2c-dev.c
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@@ -43,11 +43,13 @@ static ssize_t i2c_dev_read(
ssize_t n;
n = (*dev->read)(dev, buffer, count, iop->offset);
if (n > 0) {
if (n >= 0) {
iop->offset += n;
}
return n;
return n;
} else {
rtems_set_errno_and_return_minus_one(-n);
}
}
static ssize_t i2c_dev_write(
@@ -60,11 +62,13 @@ static ssize_t i2c_dev_write(
ssize_t n;
n = (*dev->write)(dev, buffer, count, iop->offset);
if (n > 0) {
if (n >= 0) {
iop->offset += n;
}
return n;
return n;
} else {
rtems_set_errno_and_return_minus_one(-n);
}
}
static int i2c_dev_ioctl(