On 1/9/2025 13:48, Lizhi Hou wrote:
Due to miss returning error when setting clock, the smatch static
checker reports warning:
drivers/accel/amdxdna/aie2_smu.c:68 npu1_set_dpm()
error: uninitialized symbol 'freq'.
Fixes: f4d7b8a6bc8c ("accel/amdxdna: Enhance power management settings")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Closes: https://lore.kernel.org/dri-devel/202267d0-882e-4593-b58d-be9274592f9b@stanley.mountain/
Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
And pushed to drm-misc-next as:
0c2768bf81890 ("accel/amdxdna: Return error when setting clock failed
for npu1")
---
drivers/accel/amdxdna/aie2_smu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/accel/amdxdna/aie2_smu.c b/drivers/accel/amdxdna/aie2_smu.c
index 73388443c676..d303701b0ded 100644
--- a/drivers/accel/amdxdna/aie2_smu.c
+++ b/drivers/accel/amdxdna/aie2_smu.c
@@ -64,6 +64,7 @@ int npu1_set_dpm(struct amdxdna_dev_hdl *ndev, u32 dpm_level)
if (ret) {
XDNA_ERR(ndev->xdna, "Set npu clock to %d failed, ret %d\n",
ndev->priv->dpm_clk_tbl[dpm_level].npuclk, ret);
+ return ret;
}
ndev->npuclk_freq = freq;
@@ -72,6 +73,7 @@ int npu1_set_dpm(struct amdxdna_dev_hdl *ndev, u32 dpm_level)
if (ret) {
XDNA_ERR(ndev->xdna, "Set h clock to %d failed, ret %d\n",
ndev->priv->dpm_clk_tbl[dpm_level].hclk, ret);
+ return ret;
}
ndev->hclk_freq = freq;
ndev->dpm_level = dpm_level;
