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| author |   Alexandre Bailon <abailon@baylibre.com> | 2016-03-11 17:23:37 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@google.com> | 2016-03-16 21:49:31 -0700 |
| commit | 1dc8d3d7c568d9a80fa20570a764da57677f1050 (patch) | |
| tree | 18649a4cc28c19d6afcdc2095055cb0b68eb7467 /drivers/staging/greybus/loopback.c | |
| parent | greybus: greybus_protocols: remove svc-eject timeout define (diff) | |
| download | linux-dev-1dc8d3d7c568d9a80fa20570a764da57677f1050.tar.xz linux-dev-1dc8d3d7c568d9a80fa20570a764da57677f1050.zip | |
greybus: loopback: Fix broken loopback min values
Currently, when a loopback test completely fail,
loopback will return 4294967295 for every min value.
Return 0 instead of 4294967295 in such case.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/loopback.c')
| -rw-r--r-- | drivers/staging/greybus/loopback.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c index 6c62706bb94c..9b732a866455 100644 --- a/drivers/staging/greybus/loopback.c +++ b/drivers/staging/greybus/loopback.c @@ -148,6 +148,9 @@ static ssize_t name##_##field##_show(struct device *dev, \ char *buf) \ { \ struct gb_loopback *gb = dev_get_drvdata(dev); \ + /* Report 0 for min and max if no transfer successed */ \ + if (!gb->requests_completed) \ + return sprintf(buf, "0\n"); \ return sprintf(buf, "%"#type"\n", gb->name.field); \ } \ static DEVICE_ATTR_RO(name##_##field) |