Merge branch 'drm-next-3.13' of git://people.freedesktop.org/~agd5f/linux into drm...

[~andy/linux] / drivers / gpu / drm / radeon / atombios_i2c.c

diff --git a/drivers/gpu/drm/radeon/atombios_i2c.c b/drivers/gpu/drm/radeon/atombios_i2c.c
index deaf98cdca3acb80300b889b61ddf5a7f83d20b8..0652ee0a20989db0b69f816d45e17f9354e5ca8a 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_i2c.c
+++ b/drivers/gpu/drm/radeon/atombios_i2c.c
@@ -56,8 +56,10 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan,
                        return -EINVAL;
                }
                args.ucRegIndex = buf[0];
-               if (num > 1)
-                       memcpy(&out, &buf[1], num - 1);
+               if (num > 1) {
+                       num--;
+                       memcpy(&out, &buf[1], num);
+               }
                args.lpI2CDataOut = cpu_to_le16(out);
        } else {
                if (num > ATOM_MAX_HW_I2C_READ) {