diff options
| author |   Luciano Coelho <luciano.coelho@intel.com> | 2013-08-13 10:34:55 +0300 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2013-08-16 12:12:03 +0200 |
| commit | eafe25e0afaf45a4e38f9b3560ac774a2395c695 (patch) | |
| tree | 1a8fe594ad32769a6d56ea453690a46c30fdd82b | |
| parent | iwlwifi: Kconfig: fix help texts wrt 7260 and 3160 devices (diff) | |
| download | linux-dev-eafe25e0afaf45a4e38f9b3560ac774a2395c695.tar.xz linux-dev-eafe25e0afaf45a4e38f9b3560ac774a2395c695.zip | |
iwlwifi: return -ENOMEM instead of NULL when OOM in iwl_drv_start()
The callers of iwl_drv_start() are probe functions. If a probe
function returns 0, it means it succeeded. So if NULL was returned by
iwl_drv_start(), it would be considered as a success.
Fix this by returning -ENOMEM if the driver struct allocation fails in
iwl_drv_start().
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-drv.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/drv.c | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index e88397bd95eb..99e1da3123c9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -1032,8 +1032,10 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, int ret; drv = kzalloc(sizeof(*drv), GFP_KERNEL); - if (!drv) - return NULL; + if (!drv) { + ret = -ENOMEM; + goto err; + } drv->trans = trans; drv->dev = trans->dev; @@ -1078,7 +1080,7 @@ err_free_dbgfs: err_free_drv: #endif kfree(drv); - +err: return ERR_PTR(ret); } diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index e179efeddc8d..567ef014c30a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -332,7 +332,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans); trans_pcie->drv = iwl_drv_start(iwl_trans, cfg); - if (IS_ERR_OR_NULL(trans_pcie->drv)) { + if (IS_ERR(trans_pcie->drv)) { ret = PTR_ERR(trans_pcie->drv); goto out_free_trans; } |