[net-next,1/2] net: txgbe: Fix memleak in txgbe_calc_eeprom_checksum()
Commit Message
eeprom_ptrs should be freed before returned.
Fixes: 049fe5365324 ("net: txgbe: Add operations to interact with firmware")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
@@ -183,6 +183,7 @@ static int txgbe_calc_eeprom_checksum(struct txgbe_hw *hw, u16 *checksum)
eeprom_ptrs);
if (status != 0) {
wx_err(wxhw, "Failed to read EEPROM image\n");
+ kvfree(eeprom_ptrs);
return status;
}
local_buffer = eeprom_ptrs;
@@ -196,13 +197,13 @@ static int txgbe_calc_eeprom_checksum(struct txgbe_hw *hw, u16 *checksum)
if (i != wxhw->eeprom.sw_region_offset + TXGBE_EEPROM_CHECKSUM)
*checksum += local_buffer[i];
+ if (eeprom_ptrs)
+ kvfree(eeprom_ptrs);
+
*checksum = TXGBE_EEPROM_SUM - *checksum;
if (*checksum < 0)
return -EINVAL;
- if (eeprom_ptrs)
- kvfree(eeprom_ptrs);
-
return 0;
}