diff options
| author | Michael Buesch <mb@bu3sch.de> | 2008-08-28 19:13:51 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-09-05 16:15:24 -0400 |
| commit | fa9abe050d0a018b888fce61a4353afab17b0860 (patch) | |
| tree | 385c3d6f3a2b6be59be9dfb533800bbec06d991e | |
| parent | a505f4ff49ff05ca9030069fab7de229dae7c819 (diff) | |
b43: Don't use memcpy for overlapping areas
It is valid to pass &gphy->rfatt and &gphy->bbatt as rfatt and bbatt
pointer arguments to the function. So we have to use memmove for the
possibly overlapping memory areas.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/b43/phy_g.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43/phy_g.c b/drivers/net/wireless/b43/phy_g.c index fce84896d34..063db5c00ce 100644 --- a/drivers/net/wireless/b43/phy_g.c +++ b/drivers/net/wireless/b43/phy_g.c @@ -232,11 +232,12 @@ void b43_set_txpower_g(struct b43_wldev *dev, if (unlikely(tx_bias == 0xFF)) tx_bias = 0; - /* Save the values for later */ + /* Save the values for later. Use memmove, because it's valid + * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */ gphy->tx_control = tx_control; - memcpy(&gphy->rfatt, rfatt, sizeof(*rfatt)); + memmove(&gphy->rfatt, rfatt, sizeof(*rfatt)); gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX); - memcpy(&gphy->bbatt, bbatt, sizeof(*bbatt)); + memmove(&gphy->bbatt, bbatt, sizeof(*bbatt)); if (b43_debug(dev, B43_DBG_XMITPOWER)) { b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), " |