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authorDouglas Anderson <dianders@chromium.org>2023-10-20 14:06:56 -0700
committerDavid S. Miller <davem@davemloft.net>2023-10-22 11:46:18 +0100
commitdc90ba37a8c37042407fa6970b9830890cfe6047 (patch)
tree35cb519954b69309ff9eeace5923364134add81e
parentb8d35024d4059ca550cba11ac9ab23a6c238d929 (diff)
r8152: Check for unplug in rtl_phy_patch_request()
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> Reviewed-by: Grant Grundler <grundler@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/usb/r8152.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 656fe90734fc..9888bc43e903 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)