diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2012-05-16 20:49:49 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-05-25 15:12:41 (GMT) |
| commit | 75813bde1f671aaab3185a9438da7730d356cea6 (patch) | |
| tree | b5d6d8dd478065d860d9b13a731562460aa98550 /drivers/net | |
| parent | f4c37176ef555560a1d13bc4bf2cf3debd442f40 (diff) | |
| download | linux-75813bde1f671aaab3185a9438da7730d356cea6.tar.xz | |
iwlwifi: fix memory leak if opmode fails to init
If drv->op_mode is NULL after trying to init the
opmode, we go to the wrong label. Fix this, and
clean up the code a bit.
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Guy Cohen <guy.cohen@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-drv.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index 3c72bad..d742900 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -657,17 +657,17 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -EINVAL; } -static int alloc_pci_desc(struct iwl_drv *drv, - struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type) +static int iwl_alloc_ucode(struct iwl_drv *drv, + struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type) { int i; for (i = 0; i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); i++) if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), - get_sec(pieces, type, i))) - return -1; + get_sec(pieces, type, i))) + return -ENOMEM; return 0; } @@ -825,8 +825,8 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) - if (alloc_pci_desc(drv, &pieces, i)) - goto err_pci_alloc; + if (iwl_alloc_ucode(drv, &pieces, i)) + goto out_free_fw; /* Now that we can no longer fail, copy information */ @@ -866,7 +866,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw); if (!drv->op_mode) - goto out_unbind; + goto out_free_fw; return; @@ -877,7 +877,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) goto out_unbind; return; - err_pci_alloc: + out_free_fw: IWL_ERR(drv, "failed to allocate pci memory\n"); iwl_dealloc_ucode(drv); release_firmware(ucode_raw); |