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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2021-11-30 12:59:51 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-12-07 12:58:05 +0200 |
| commit | 46c7b05a4f91f425d429bbe152c0185e9f8a5d18 (patch) | |
| tree | 677e25daedc1bbf45d149de01103ab9598a59600 /drivers/net/wireless/intel/iwlwifi/mei | |
| parent | 1a4d5758692519d6de648803a6d1dbba000bfe74 (diff) | |
| download | linux-stable-46c7b05a4f91f425d429bbe152c0185e9f8a5d18.tar.gz linux-stable-46c7b05a4f91f425d429bbe152c0185e9f8a5d18.tar.bz2 linux-stable-46c7b05a4f91f425d429bbe152c0185e9f8a5d18.zip | |
iwlwifi: mvm: fix a possible NULL pointer deference
Smatch spot a possible NULL pointer dereference. Fix it.
__iwl_mvm_mac_set_key can be called with sta = NULL
Also add a NULL pointer check after memory allocation.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://lore.kernel.org/r/20211130105951.85539-1-emmanuel.grumbach@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mei')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mei/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mei/main.c b/drivers/net/wireless/intel/iwlwifi/mei/main.c index 3435998f0791..4453cd2571c2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mei/main.c +++ b/drivers/net/wireless/intel/iwlwifi/mei/main.c @@ -632,6 +632,8 @@ static void iwl_mei_handle_csme_filters(struct mei_cl_device *cldev, lockdep_is_held(&iwl_mei_mutex)); new_filters = kzalloc(sizeof(*new_filters), GFP_KERNEL); + if (!new_filters) + return; /* Copy the OOB filters */ new_filters->filters = filters->filters; |