From: Zhipeng Lu Date: Mon, 4 Dec 2023 08:57:56 +0000 (+0800) Subject: drm/radeon/dpm: fix a memleak in sumo_parse_power_table X-Git-Tag: v6.8-rc1~111^2~13^2~12 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0737df9ed0997f5b8addd6e2b9699a8c6edba2e4;p=thirdparty%2Flinux.git drm/radeon/dpm: fix a memleak in sumo_parse_power_table The rdev->pm.dpm.ps allocated by kcalloc should be freed in every following error-handling path. However, in the error-handling of rdev->pm.power_state[i].clock_info the rdev->pm.dpm.ps is not freed, resulting in a memleak in this function. Fixes: 80ea2c129c76 ("drm/radeon/kms: add dpm support for sumo asics (v2)") Signed-off-by: Zhipeng Lu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index f74f381af05fd..d49c145db4370 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1493,8 +1493,10 @@ static int sumo_parse_power_table(struct radeon_device *rdev) non_clock_array_index = power_state->v2.nonClockInfoIndex; non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) &non_clock_info_array->nonClockInfo[non_clock_array_index]; - if (!rdev->pm.power_state[i].clock_info) + if (!rdev->pm.power_state[i].clock_info) { + kfree(rdev->pm.dpm.ps); return -EINVAL; + } ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); if (ps == NULL) { kfree(rdev->pm.dpm.ps);