| Message ID | 20240518100556.2551788-1-s-vadapalli@ti.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id() | expand |
On 18/05/2024 13:05, Siddharth Vadapalli wrote: > The of_k3_udma_glue_parse_chn_by_id() helper function erroneously > invokes "of_node_put()" on the "udmax_np" device-node passed to it, > without having incremented its reference at any point. Fix it. Acked-by: Peter Ujfalusi@gmail.com > > Fixes: 81a1f90f20af ("dmaengine: ti: k3-udma-glue: Add function to parse channel by ID") > Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com> > --- > > Hello, > > This patch is based on commit > 4b377b4868ef kprobe/ftrace: fix build error due to bad function definition > of Mainline Linux. > > Regards, > Siddharth. > > drivers/dma/ti/k3-udma-glue.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/dma/ti/k3-udma-glue.c b/drivers/dma/ti/k3-udma-glue.c > index c9b93055dc9d..f0a399cf45b2 100644 > --- a/drivers/dma/ti/k3-udma-glue.c > +++ b/drivers/dma/ti/k3-udma-glue.c > @@ -200,12 +200,9 @@ of_k3_udma_glue_parse_chn_by_id(struct device_node *udmax_np, struct k3_udma_glu > > ret = of_k3_udma_glue_parse(udmax_np, common); > if (ret) > - goto out_put_spec; > + return ret; > > ret = of_k3_udma_glue_parse_chn_common(common, thread_id, tx_chn); > - > -out_put_spec: > - of_node_put(udmax_np); > return ret; > } >
…
> without having incremented its reference at any point. …
counter?
Regards,
Markus
… > > without having incremented its reference at any point. Fix it. > > Acked-by: Peter Ujfalusi@gmail.com Please improve the data representation for this tag. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.9#n468 Regards, Markus
diff --git a/drivers/dma/ti/k3-udma-glue.c b/drivers/dma/ti/k3-udma-glue.c index c9b93055dc9d..f0a399cf45b2 100644 --- a/drivers/dma/ti/k3-udma-glue.c +++ b/drivers/dma/ti/k3-udma-glue.c @@ -200,12 +200,9 @@ of_k3_udma_glue_parse_chn_by_id(struct device_node *udmax_np, struct k3_udma_glu ret = of_k3_udma_glue_parse(udmax_np, common); if (ret) - goto out_put_spec; + return ret; ret = of_k3_udma_glue_parse_chn_common(common, thread_id, tx_chn); - -out_put_spec: - of_node_put(udmax_np); return ret; }
The of_k3_udma_glue_parse_chn_by_id() helper function erroneously invokes "of_node_put()" on the "udmax_np" device-node passed to it, without having incremented its reference at any point. Fix it. Fixes: 81a1f90f20af ("dmaengine: ti: k3-udma-glue: Add function to parse channel by ID") Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com> --- Hello, This patch is based on commit 4b377b4868ef kprobe/ftrace: fix build error due to bad function definition of Mainline Linux. Regards, Siddharth. drivers/dma/ti/k3-udma-glue.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)