提交 d0310dc4 编写于 作者: E Emil Tantilov 提交者: Jeff Kirsher

ixgbe: fix possible data corruption in read_i2c_byte

This patch makes sure that the SW lock is released after all i2c
operations complete in the retry code path.
Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com>
Tested-by: NPhil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
上级 4c696ca9
......@@ -1307,9 +1307,9 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
break;
fail:
ixgbe_i2c_bus_clear(hw);
hw->mac.ops.release_swfw_sync(hw, swfw_mask);
msleep(100);
ixgbe_i2c_bus_clear(hw);
retry++;
if (retry < max_retry)
hw_dbg(hw, "I2C byte read error - Retrying.\n");
......
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