Messages in this thread | | | Date | Tue, 17 Sep 2019 23:34:03 -0700 | From | Bjorn Andersson <> | Subject | Re: [PATCH 2/5] misc: fastrpc: fix memory leak from miscdev->name |
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On Fri 13 Sep 08:25 PDT 2019, Jorge Ramirez-Ortiz wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> > > Fix a memory leak in miscdev->name by using devm_variant > > Orignally reported by kmemleak: > [<ffffff80088b74d8>] kmemleak_alloc+0x50/0x84 > [<ffffff80081e015c>] __kmalloc_track_caller+0xe8/0x168 > [<ffffff8008371ab0>] kvasprintf+0x78/0x100 > [<ffffff8008371c6c>] kasprintf+0x50/0x74 > [<ffffff8008507f2c>] fastrpc_rpmsg_probe+0xd8/0x20c > [<ffffff80086b63b4>] rpmsg_dev_probe+0xa8/0x148 > [<ffffff80084de50c>] really_probe+0x208/0x248 > [<ffffff80084de2dc>] driver_probe_device+0x98/0xc0 > [<ffffff80084dec6c>] __device_attach_driver+0x9c/0xac > [<ffffff80084dca8c>] bus_for_each_drv+0x60/0x8c > [<ffffff80084de64c>] __device_attach+0x8c/0x100 > [<ffffff80084de6e0>] device_initial_probe+0x20/0x28 > [<ffffff80084dcbd0>] bus_probe_device+0x34/0x7c > [<ffffff80084da32c>] device_add+0x420/0x498 > [<ffffff80084da680>] device_register+0x24/0x2c >
Cc: stable@vger.kernel.org Fixes: f6f9279f2bf0 ("misc: fastrpc: Add Qualcomm fastrpc basic driver model")
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
You should append your S-o-b here, as you forwarded the patch.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Regards, Bjorn
> --- > drivers/misc/fastrpc.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c > index 8903388993d3..bc03500bfe60 100644 > --- a/drivers/misc/fastrpc.c > +++ b/drivers/misc/fastrpc.c > @@ -1599,8 +1599,8 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev) > } > > data->miscdev.minor = MISC_DYNAMIC_MINOR; > - data->miscdev.name = kasprintf(GFP_KERNEL, "fastrpc-%s", > - domains[domain_id]); > + data->miscdev.name = devm_kasprintf(rdev, GFP_KERNEL, "fastrpc-%s", > + domains[domain_id]); > data->miscdev.fops = &fastrpc_fops; > err = misc_register(&data->miscdev); > if (err) > -- > 2.23.0 >
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