diff options
Diffstat (limited to 'drivers/phy/realtek/phy-rtk-usb3.c')
| -rw-r--r-- | drivers/phy/realtek/phy-rtk-usb3.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/phy/realtek/phy-rtk-usb3.c b/drivers/phy/realtek/phy-rtk-usb3.c index 6050f1ef4f6b..7881f908aade 100644 --- a/drivers/phy/realtek/phy-rtk-usb3.c +++ b/drivers/phy/realtek/phy-rtk-usb3.c @@ -457,9 +457,10 @@ static int get_phy_data_by_efuse(struct rtk_phy *rtk_phy, size_t buf_size; buf = nvmem_cell_read(cell, &buf_size); - value = buf[0] & USB_U3_TX_LFPS_SWING_TRIM_MASK; - - kfree(buf); + if (!IS_ERR(buf)) { + value = buf[0] & USB_U3_TX_LFPS_SWING_TRIM_MASK; + kfree(buf); + } nvmem_cell_put(cell); } |