diff options
| author | Seth Forshee <seth.forshee@canonical.com> | 2012-11-29 17:36:00 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-11-30 23:00:39 +0400 |
| commit | 55cec505559dade9e7776de8f3d23fc3e54e091d (patch) | |
| tree | 52f2d9ef31ec25bdaacfde9e9163076cdc3837fa | |
| parent | 697978383e94fff79fc72d9dbf1a03db8ac9784a (diff) | |
| download | linux-55cec505559dade9e7776de8f3d23fc3e54e091d.tar.xz | |
brcmsmac: Fix possible NULL pointer dereference in _dma_ctrlflags()
There's a debug message to warn if this function is passed a NULL
pointer, but in order to print the message we have to dereference the
pointer. Obviously this isn't a good idea, so remove the message.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmsmac/dma.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c index 511e45775c33..1860c572b3c4 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c @@ -349,10 +349,8 @@ static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags) { uint dmactrlflags; - if (di == NULL) { - brcms_dbg_dma(di->core, "NULL dma handle\n"); + if (di == NULL) return 0; - } dmactrlflags = di->dma.dmactrlflags; dmactrlflags &= ~mask; |