From: "Sachin Shukla" <[email protected]> There is no need to call kfree() if memdup_user() fails, as no memory was allocated and the error in the error-valued pointer should be returned.
Signed-off-by: Sachin Shukla <[email protected]> --- drivers/block/mtip32xx/mtip32xx.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 3cfd879..68e332b 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2035,18 +2035,14 @@ static int exec_drive_taskfile(struct driver_data *dd, taskout = req_task->out_size; taskin = req_task->in_size; /* 130560 = 512 * 0xFF*/ - if (taskin > 130560 || taskout > 130560) { - err = -EINVAL; - goto abort; - } + if (taskin > 130560 || taskout > 130560) + return -EINVAL; if (taskout) { outbuf = memdup_user(buf + outtotal, taskout); - if (IS_ERR(outbuf)) { - err = PTR_ERR(outbuf); - outbuf = NULL; - goto abort; - } + if (IS_ERR(outbuf)) + return PTR_ERR(outbuf); + outbuf_dma = pci_map_single(dd->pdev, outbuf, taskout, -- 1.7.9.5
