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-rw-r--r--drivers/usb/dwc3/core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 4f2ef53..08a5738 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -99,6 +99,7 @@ void dwc3_put_device_id(int id)
ret = test_bit(id, dwc3_devs);
WARN(!ret, "dwc3: ID %d not in use\n", id);
+ smp_mb__before_clear_bit();
clear_bit(id, dwc3_devs);
}
EXPORT_SYMBOL_GPL(dwc3_put_device_id);
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