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Merge "dsp: adsp-loader: Add check around bytes read from nvmem cell"

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qctecmdr 2019-11-27 20:27:53 -08:00 • committed by Gerrit - the friendly Code Review server
commit 0ff43491d8
1 changed files with 4 additions and 4 deletions
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8
dsp/adsp-loader.c
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@ -324,14 +324,14 @@ static int adsp_loader_probe(struct platform_device *pdev)
{
struct adsp_loader_private *priv = NULL;
struct nvmem_cell *cell;
ssize_t len;
size_t len;
u32 *buf;
const char **adsp_fw_name_array = NULL;
int adsp_fw_cnt;
u32* adsp_fw_bit_values = NULL;
int i;
int fw_name_size;
u32 adsp_var_idx;
u32 adsp_var_idx = 0;
int ret = 0;
ret = adsp_loader_init_sysfs(pdev);
@ -349,11 +349,11 @@ static int adsp_loader_probe(struct platform_device *pdev)
}
buf = nvmem_cell_read(cell, &len);
nvmem_cell_put(cell);
if (IS_ERR_OR_NULL(buf)) {
if (IS_ERR_OR_NULL(buf) || len <= 0 || len > sizeof(u32)) {
dev_dbg(&pdev->dev, "%s: FAILED to read nvmem cell \n", __func__);
goto wqueue;
}
adsp_var_idx = (*buf);
memcpy(&adsp_var_idx, buf, len);
kfree(buf);
/* Get count of fw images */