From: Dan Carpenter <dan.carpenter@oracle.com>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>,
"Luis R. Rodriguez" <mcgrof@do-not-panic.com>,
"John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, ath5k-devel@venema.h4ckr.net,
kernel-janitors@vger.kernel.org
Subject: [patch] ath5k: shifting the wrong variable for AR5K_AR5210
Date: Fri, 7 Feb 2014 14:50:38 +0300 [thread overview]
Message-ID: <20140207115038.GA31250@elgon.mountain> (raw)
In the original code we shift "AR5K_PHY(256) >> 28" which is zero but
the intent was to shift the return value of ath5k_hw_reg_read() like we
do a couple lines later.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
Static analysis. Untested.
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index d6bc7cb61bfb..1a2973b7acf2 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -110,7 +110,7 @@ ath5k_hw_radio_revision(struct ath5k_hw *ah, enum ieee80211_band band)
ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
if (ah->ah_version == AR5K_AR5210) {
- srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
+ srev = (ath5k_hw_reg_read(ah, AR5K_PHY(256)) >> 28) & 0xf;
ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
} else {
srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
reply other threads:[~2014-02-07 11:51 UTC|newest]
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