On error, probe_core_uio just returned an error without freeing resources which had previously been allocated. Added the missing clean-up code.
Updated TODO. Signed-off-by: Jeremy Sowden <jer...@azazel.net> --- drivers/staging/kpc2000/TODO | 1 - drivers/staging/kpc2000/kpc2000/cell_probe.c | 3 +++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/kpc2000/TODO b/drivers/staging/kpc2000/TODO index 8c7af29fefae..ed951acc829a 100644 --- a/drivers/staging/kpc2000/TODO +++ b/drivers/staging/kpc2000/TODO @@ -1,7 +1,6 @@ - the kpc_spi driver doesn't seem to let multiple transactions (to different instances of the core) happen in parallel... - The kpc_i2c driver is a hot mess, it should probably be cleaned up a ton. It functions against current hardware though. - pcard->card_num in kp2000_pcie_probe() is a global variable and needs atomic / locking / something better. -- probe_core_uio() probably needs error handling - the loop in kp2000_probe_cores() that uses probe_core_uio() also probably needs error handling - would be nice if the AIO fileops in kpc_dma could be made to work - probably want to add a CONFIG_ option to control compilation of the AIO functions diff --git a/drivers/staging/kpc2000/kpc2000/cell_probe.c b/drivers/staging/kpc2000/kpc2000/cell_probe.c index b98d53c8637f..e4c21291fe16 100644 --- a/drivers/staging/kpc2000/kpc2000/cell_probe.c +++ b/drivers/staging/kpc2000/kpc2000/cell_probe.c @@ -295,6 +295,7 @@ static int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, kudev->dev = device_create(kpc_uio_class, &pcard->pdev->dev, MKDEV(0,0), kudev, "%s.%d.%d.%d", kudev->uioinfo.name, pcard->card_num, cte.type, kudev->core_num); if (IS_ERR(kudev->dev)) { dev_err(&pcard->pdev->dev, "probe_core_uio device_create failed!\n"); + kfree(kudev); return -ENODEV; } dev_set_drvdata(kudev->dev, kudev); @@ -302,6 +303,8 @@ static int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, rv = uio_register_device(kudev->dev, &kudev->uioinfo); if (rv){ dev_err(&pcard->pdev->dev, "probe_core_uio failed uio_register_device: %d\n", rv); + put_device(kudev->dev); + kfree(kudev); return rv; } -- 2.20.1 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel