When allocation of idata fails there was a null dereferece. Signed-off-by: Vladimir Motyka <vladimir.motyka@xxxxxxxxx> --- diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 407836d..3dec493 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -266,10 +266,10 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user( return idata; copy_err: - kfree(idata->buf); + if(idata) + kfree(idata->buf); kfree(idata); return ERR_PTR(err); - } static int mmc_blk_ioctl_cmd(struct block_device *bdev, -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
