Thread (12 messages) 12 messages, 2 authors, 2011-10-05

[net-next 03/10] ixgbe: clear the data field in ixgbe_read_i2c_byte_generic

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From: Jeff Kirsher <hidden>
Date: 2011-10-05 10:20:30
Subsystem: intel ethernet drivers, networking drivers, the rest · Maintainers: Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

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From: Emil Tantilov <redacted>

Clear the data field in ixgbe_read_i2c_byte_generic so it does not
accumulate 1 bit using the same variable multiple times.

Signed-off-by: Emil Tantilov <redacted>
Tested-by: Phil Schmitt <redacted>
Signed-off-by: Jeff Kirsher <redacted>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index f7ca351..cf3c227 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -1205,7 +1205,7 @@ s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
  *  @data: value read
  *
  *  Performs byte read operation to SFP module's EEPROM over I2C interface at
- *  a specified deivce address.
+ *  a specified device address.
  **/
 s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
                                 u8 dev_addr, u8 *data)
@@ -1215,6 +1215,7 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 	u32 retry = 0;
 	u16 swfw_mask = 0;
 	bool nack = 1;
+	*data = 0;
 
 	if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
 		swfw_mask = IXGBE_GSSR_PHY1_SM;
-- 
1.7.6.4
Other recent patches touching these files
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