Actually check for usb_set_port_feature() errors and propagate these if they
happen.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
common/usb_hub.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/common/usb_hub.c b/common/usb_hub.c
index c9be530..7aac220 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -157,7 +157,7 @@ static inline char *portspeed(int portstatus)
int legacy_hub_port_reset(struct usb_device *dev, int port,
unsigned short *portstat)
{
- int tries;
+ int err, tries;
ALLOC_CACHE_ALIGN_BUFFER(struct usb_port_status, portsts, 1);
unsigned short portstatus, portchange;
@@ -168,8 +168,10 @@ int legacy_hub_port_reset(struct usb_device *dev, int port,
debug("%s: resetting port %d...\n", __func__, port + 1);
#endif
for (tries = 0; tries < MAX_TRIES; tries++) {
+ err = usb_set_port_feature(dev, port + 1, USB_PORT_FEAT_RESET);
+ if (err < 0)
+ return err;
- usb_set_port_feature(dev, port + 1, USB_PORT_FEAT_RESET);
mdelay(200);
if (usb_get_port_status(dev, port + 1, portsts) < 0) {
--
2.3.6
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