diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/utils.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/utils.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 0cc8d8c0d393..687b34e387ac 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -253,8 +253,9 @@ int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, u8 first_antenna(u8 mask) { BUILD_BUG_ON(ANT_A != BIT(0)); /* using ffs is wrong if not */ - WARN_ON_ONCE(!mask); /* ffs will return 0 if mask is zeroed */ - return (u8)(BIT(ffs(mask))); + if (WARN_ON_ONCE(!mask)) /* ffs will return 0 if mask is zeroed */ + return BIT(0); + return BIT(ffs(mask) - 1); } /* |