| Message ID | 20231019142019.v4.2.I300ed6c3269c77756bdd10dd0d6f97db85470186@changeid |
|---|---|
| State | Superseded |
| Headers | show |
| Series | r8152: Avoid writing garbage to the adapter's registers | expand |
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 482957beae66..fff2f9e67b5f 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -4046,6 +4046,9 @@ static int rtl_phy_patch_request(struct r8152 *tp, bool request, bool wait) for (i = 0; wait && i < 5000; i++) { u32 ocp_data; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + break; + usleep_range(1000, 2000); ocp_data = ocp_reg_read(tp, OCP_PHY_PATCH_STAT); if ((ocp_data & PATCH_READY) ^ check)
If the adapter is unplugged while we're looping in rtl_phy_patch_request() we could end up looping for 10 seconds (2 ms * 5000 loops). Add code similar to what's done in other places in the driver to check for unplug and bail. Signed-off-by: Douglas Anderson <dianders@chromium.org> --- (no changes since v2) Changes in v2: - ("Check for unplug in rtl_phy_patch_request()") new for v2. drivers/net/usb/r8152.c | 3 +++ 1 file changed, 3 insertions(+)