From: Feng Jiang <jiangfeng@xxxxxxxxxx> [ Upstream commit f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7 ] Function amd_pmc_stb_debugfs_open_v2() may be called when the STB debug mechanism enabled. When amd_pmc_send_cmd() fails, the 'buf' needs to be released. Signed-off-by: Feng Jiang <jiangfeng@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230412093734.1126410-1-jiangfeng@xxxxxxxxxx Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/platform/x86/amd/pmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index 69f305496643f..73dedc9950144 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -265,6 +265,7 @@ static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp) dev->msg_port = 0; if (ret) { dev_err(dev->dev, "error: S2D_NUM_SAMPLES not supported : %d\n", ret); + kfree(buf); return ret; } -- 2.39.2
