Message ID | 20190930033928.32312-1-navid.emamdoost@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Commit | d3b0ffa1d75d5305ebe34735598993afbb8a869d |
Headers | show |
Series | spi: gpio: prevent memroy leak in spi_gpio_probe | expand |
* Please avoid typos in the commit message. * I would prefer an other wording for the change description. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?id=97f9a3c4eee55b0178b518ae7114a6a53372913d#n151 Regards, Markus
Fixed the issues in v2. Thanks, Navid. On Mon, Sep 30, 2019 at 1:24 AM Markus Elfring <Markus.Elfring@web.de> wrote: > > * Please avoid typos in the commit message. > > * I would prefer an other wording for the change description. > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?id=97f9a3c4eee55b0178b518ae7114a6a53372913d#n151 > > > Regards, > Markus
Hello: The following patches were marked "accepted", because they were applied to broonie/spi.git (refs/heads/for-next): Patch: spi: gpio: prevent memroy leak in spi_gpio_probe Submitter: Navid Emamdoost <navid.emamdoost@gmail.com> Patchwork: https://patchwork.kernel.org/project/spi-devel-general/list/?series=180171 Total patches: 1
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index 1d3e23ec20a6..f9c5bbb74714 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -371,8 +371,10 @@ static int spi_gpio_probe(struct platform_device *pdev) return -ENOMEM; status = devm_add_action_or_reset(&pdev->dev, spi_gpio_put, master); - if (status) + if (status) { + spi_master_put(master); return status; + } if (of_id) status = spi_gpio_probe_dt(pdev, master);
In spi_gpio_probe an SPI master is allocated via spi_alloc_master, but this controller should be released if devm_add_action_or_reset fails, otherwise memory leaks. This commit adds Fixes: spi_contriller_put in case of failure for devm_add_action_or_reset. Fixes: 8b797490b4db ("spi: gpio: Make sure spi_master_put() is called in every error path") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> --- drivers/spi/spi-gpio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)