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authorSeth Forshee <seth.forshee@canonical.com>2012-11-15 08:07:57 -0600
committerJohn W. Linville <linville@tuxdriver.com>2012-11-20 14:04:51 -0500
commitb05618deb4ac7c22d876acc19debb7ac63786f37 (patch)
tree57c99ee12e53730a67e5a34d841f5d3a4a96afa6 /drivers/net/wireless/brcm80211/brcmsmac/dma.c
parente041f65d5f00011049c7d6af0e31ce69ce9e2655 (diff)
brcmsmac: Use correct descriptor count when calculating next rx descriptor
nextrxd() is calling txd(), which means that the tx descriptor count is used to determine when to wrap for determining the next ring buffer entry. This has worked so far since the driver has been using the same number of rx and tx descriptors, but it's obviously going to be a problem if different numbers of descriptors are used. Acked-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Tested-by: Daniel Wagner <wagi@monom.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/dma.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/dma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
index 426b9a97716..d7ce1ac9adc 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
@@ -361,7 +361,7 @@ static uint prevtxd(struct dma_info *di, uint i)
static uint nextrxd(struct dma_info *di, uint i)
{
- return txd(di, i + 1);
+ return rxd(di, i + 1);
}
static uint ntxdactive(struct dma_info *di, uint h, uint t)