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| author | John W. Linville <linville@tuxdriver.com> | 2013-04-29 15:31:57 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-04-29 15:31:57 -0400 |
| commit | 17a2911f3395d66694fcbd2e8970015904d9b034 (patch) | |
| tree | c93e40197d4614b5183f86f0335c5c7abcee31aa /drivers/net/wireless/iwlwifi/mvm/utils.c | |
| parent | 94dace10142790ddeb0a3a7b8b33d9540d30c79f (diff) | |
| parent | a8a48e60a468084ef6ec23c78e8903c9e0ba7a4c (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
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); } /* |