From: Mathieu Poirier mathieu.poirier@linaro.org
commit e0e01de8ee146986872e54e8365f4b4654819412 upstream.
Function of_phandle_iterator_next() calls of_node_put() on the last device_node it iterated over, but when the loop exits prematurely it has to be called explicitly.
Fixes: ec0e5549f358 ("remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX") Cc: stable@vger.kernel.org Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Acked-by: Shengjiu Wang shengjiu.wang@gmail.com Link: https://lore.kernel.org/r/20230320221826.2728078-6-mathieu.poirier@linaro.or... Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/remoteproc/imx_dsp_rproc.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)
--- a/drivers/remoteproc/imx_dsp_rproc.c +++ b/drivers/remoteproc/imx_dsp_rproc.c @@ -627,15 +627,19 @@ static int imx_dsp_rproc_add_carveout(st
rmem = of_reserved_mem_lookup(it.node); if (!rmem) { + of_node_put(it.node); dev_err(dev, "unable to acquire memory-region\n"); return -EINVAL; }
- if (imx_dsp_rproc_sys_to_da(priv, rmem->base, rmem->size, &da)) + if (imx_dsp_rproc_sys_to_da(priv, rmem->base, rmem->size, &da)) { + of_node_put(it.node); return -EINVAL; + }
cpu_addr = devm_ioremap_wc(dev, rmem->base, rmem->size); if (!cpu_addr) { + of_node_put(it.node); dev_err(dev, "failed to map memory %p\n", &rmem->base); return -ENOMEM; } @@ -644,10 +648,12 @@ static int imx_dsp_rproc_add_carveout(st mem = rproc_mem_entry_init(dev, (void __force *)cpu_addr, (dma_addr_t)rmem->base, rmem->size, da, NULL, NULL, it.node->name);
- if (mem) + if (mem) { rproc_coredump_add_segment(rproc, da, rmem->size); - else + } else { + of_node_put(it.node); return -ENOMEM; + }
rproc_add_carveout(rproc, mem); }