get_drv_data(..., &data->type) overwrites memory beyond data->type member due to mismatch of sizeof(enum pca_type) and sizeof(void *) on 64 bit systems. Signed-off-by: Peter Mamonov <pmamonov@xxxxxxxxx> --- drivers/i2c/muxes/i2c-mux-pca954x.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index 0d5515b71..395254cdc 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -180,6 +180,7 @@ static int pca954x_probe(struct device_d *dev) struct i2c_adapter *adap = to_i2c_adapter(client->dev.parent); int num, force; struct pca954x *data; + uintptr_t tmp; int ret = -ENODEV; int gpio; @@ -203,7 +204,8 @@ static int pca954x_probe(struct device_d *dev) goto exit_free; } - ret = dev_get_drvdata(dev, (const void **)&data->type); + ret = dev_get_drvdata(dev, (const void **)&tmp); + data->type = tmp; if (ret) goto exit_free; -- 2.17.0 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
