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authorZhipeng Lu <alexious@zju.edu.cn>2023-12-04 13:21:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-26 02:35:34 +0300
commit0564e8a427914015d773a32f6e9baa2bd2f38a37 (patch)
tree450875c799a7c90f443d90e7ae8999983bc88189 /drivers/gpu/drm/radeon
parenta26634b3ce218ee3a308f2c0e326a1c7d4bb97ec (diff)
downloadlinux-0564e8a427914015d773a32f6e9baa2bd2f38a37.tar.xz
drm/radeon/trinity_dpm: fix a memleak in trinity_parse_power_table
[ Upstream commit 28c28d7f77c06ac2c0b8f9c82bc04eba22912b3b ] 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: d70229f70447 ("drm/radeon/kms: add dpm support for trinity asics") Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/trinity_dpm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 08ea1c864cb2..ef1cc7bad20a 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1726,8 +1726,10 @@ static int trinity_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);