diff options
| author | Jones Desougi <jones.desougi@27m.se> | 2010-10-27 19:38:34 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-10-27 15:54:54 -0400 |
| commit | 3d435ad7218ff58c846d7e52d87c2daf115f50cd (patch) | |
| tree | 67d70141b5d7df2c4194231bed3ec1430771bcc5 /drivers/net | |
| parent | dc9f48ce7c7d345be31208def51572a8250a4a03 (diff) | |
| download | linux-3d435ad7218ff58c846d7e52d87c2daf115f50cd.tar.bz2 | |
ath5k: Fix double free on hw attach error path
If ath5k_hw_attach fails it will free sc->ah (local variable ah) before
returning. However, when it reports failure the caller (ath5k_pci_probe)
will also free sc->ah. Let the caller handle the deallocation, it does
so on further errors as well.
Signed-off-by: Jones Desougi <jones.desougi@27m.se>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/attach.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index cd0b14a0a93a..fbe8aca975d8 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -139,12 +139,12 @@ int ath5k_hw_attach(struct ath5k_softc *sc) /* Fill the ath5k_hw struct with the needed functions */ ret = ath5k_hw_init_desc_functions(ah); if (ret) - goto err_free; + goto err; /* Bring device out of sleep and reset its units */ ret = ath5k_hw_nic_wakeup(ah, 0, true); if (ret) - goto err_free; + goto err; /* Get MAC, PHY and RADIO revisions */ ah->ah_mac_srev = srev; @@ -234,7 +234,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) } else { ATH5K_ERR(sc, "Couldn't identify radio revision.\n"); ret = -ENODEV; - goto err_free; + goto err; } } @@ -244,7 +244,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) (srev < AR5K_SREV_AR2425)) { ATH5K_ERR(sc, "Device not yet supported.\n"); ret = -ENODEV; - goto err_free; + goto err; } /* @@ -252,7 +252,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) */ ret = ath5k_hw_post(ah); if (ret) - goto err_free; + goto err; /* Enable pci core retry fix on Hainan (5213A) and later chips */ if (srev >= AR5K_SREV_AR5213A) @@ -265,7 +265,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) ret = ath5k_eeprom_init(ah); if (ret) { ATH5K_ERR(sc, "unable to init EEPROM\n"); - goto err_free; + goto err; } ee = &ah->ah_capabilities.cap_eeprom; @@ -307,7 +307,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) if (ret) { ATH5K_ERR(sc, "unable to get device capabilities: 0x%04x\n", sc->pdev->device); - goto err_free; + goto err; } /* Crypto settings */ @@ -341,8 +341,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) ath5k_hw_set_ledstate(ah, AR5K_LED_INIT); return 0; -err_free: - kfree(ah); +err: return ret; } |