diff options
| author | Jesper Juhl <jj@chaosbits.net> | 2011-03-27 09:16:12 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-30 02:42:25 -0700 |
| commit | ad19031b5f6ede5b2df057e3e1b4f82a2ef7f75f (patch) | |
| tree | 1ec06208e25e6d39c0857d55ef4d1657dfba411d | |
| parent | 79b569f0ec53a14c4d71e79d93a8676d9a0fda6d (diff) | |
| download | linux-ad19031b5f6ede5b2df057e3e1b4f82a2ef7f75f.tar.bz2 | |
Atheros, atl2: Fix mem leaks in error paths of atl2_set_eeprom
We leak in some error paths of drivers/net/atlx/atl2.c:atl2_set_eeprom().
The memory allocated to 'eeprom_buff' is not freed when we return -EIO.
This patch fixes that up and also removes a pointless explicit cast.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/atlx/atl2.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c index e637e9f28fd4..937ef1afa5db 100644 --- a/drivers/net/atlx/atl2.c +++ b/drivers/net/atlx/atl2.c @@ -1996,13 +1996,15 @@ static int atl2_set_eeprom(struct net_device *netdev, if (!eeprom_buff) return -ENOMEM; - ptr = (u32 *)eeprom_buff; + ptr = eeprom_buff; if (eeprom->offset & 3) { /* need read/modify/write of first changed EEPROM word */ /* only the second byte of the word is being modified */ - if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) - return -EIO; + if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) { + ret_val = -EIO; + goto out; + } ptr++; } if (((eeprom->offset + eeprom->len) & 3)) { @@ -2011,18 +2013,22 @@ static int atl2_set_eeprom(struct net_device *netdev, * only the first byte of the word is being modified */ if (!atl2_read_eeprom(hw, last_dword * 4, - &(eeprom_buff[last_dword - first_dword]))) - return -EIO; + &(eeprom_buff[last_dword - first_dword]))) { + ret_val = -EIO; + goto out; + } } /* Device's eeprom is always little-endian, word addressable */ memcpy(ptr, bytes, eeprom->len); for (i = 0; i < last_dword - first_dword + 1; i++) { - if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) - return -EIO; + if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) { + ret_val = -EIO; + goto out; + } } - + out: kfree(eeprom_buff); return ret_val; } |