diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2012-07-13 10:57:36 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-07-17 15:11:31 -0400 |
| commit | 1924b4e294df4e97ad22557700e554af409569bc (patch) | |
| tree | 46869522ffaede7244c7b9f30f730072a34d1c4f /drivers/net/wireless/b43/xmit.c | |
| parent | 00267d591b18fb550f0d63dba28daadf69f924fc (diff) | |
| download | linux-1924b4e294df4e97ad22557700e554af409569bc.tar.gz linux-1924b4e294df4e97ad22557700e554af409569bc.tar.bz2 linux-1924b4e294df4e97ad22557700e554af409569bc.zip | |
b43: use temporary rate_index for error checking
The mac80211 rate_index changed to be a u8, so
can't hold the negative error value properly.
Use a temporary variable for error checking.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/xmit.c')
| -rw-r--r-- | drivers/net/wireless/b43/xmit.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index b31ccc02fa21..136510edf3cf 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -663,7 +663,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) u32 uninitialized_var(macstat); u16 chanid; u16 phytype; - int padding; + int padding, rate_idx; memset(&status, 0, sizeof(status)); @@ -766,16 +766,17 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) } if (phystat0 & B43_RX_PHYST0_OFDM) - status.rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp, + rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp, phytype == B43_PHYTYPE_A); else - status.rate_idx = b43_plcp_get_bitrate_idx_cck(plcp); - if (unlikely(status.rate_idx == -1)) { + rate_idx = b43_plcp_get_bitrate_idx_cck(plcp); + if (unlikely(rate_idx == -1)) { /* PLCP seems to be corrupted. * Drop the frame, if we are not interested in corrupted frames. */ if (!(dev->wl->filter_flags & FIF_PLCPFAIL)) goto drop; } + status.rate_idx = rate_idx; status.antenna = !!(phystat0 & B43_RX_PHYST0_ANT); /* |