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authorMathieu Poirier <mathieu.poirier@linaro.org>2023-03-20 23:18:26 +0100
committerMathieu Poirier <mathieu.poirier@linaro.org>2023-04-03 18:52:41 +0200
commite0e01de8ee146986872e54e8365f4b4654819412 (patch)
treedf8abbd2ae37e30e4b313703765ad3c8efce7ce8 /drivers/remoteproc
parentremoteproc: imx_rproc: Call of_node_put() on iteration error (diff)
downloadlinux-e0e01de8ee146986872e54e8365f4b4654819412.tar.xz
linux-e0e01de8ee146986872e54e8365f4b4654819412.zip
remoteproc: imx_dsp_rproc: Call of_node_put() on iteration error
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.org Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/imx_dsp_rproc.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index b8f268d41773..21759d9e5b7b 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -650,15 +650,19 @@ static int imx_dsp_rproc_add_carveout(struct imx_dsp_rproc *priv)
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;
}
@@ -667,10 +671,12 @@ static int imx_dsp_rproc_add_carveout(struct imx_dsp_rproc *priv)
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);
}