[PATCH] drm/amd/powerplay: fix memory leak of tdp_table
Colin King
colin.king at canonical.com
Fri Mar 18 16:47:29 UTC 2016
From: Colin Ian King <colin.king at canonical.com>
tdp_table is being leaked on failed allocations of
hwmgr->dyn_state.cac_dtp_table. kfree tdp_table on the error
return path to fix the leak.
Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
index 34f4bef..b156481 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
@@ -512,8 +512,10 @@ static int get_cac_tdp_table(
hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
- if (NULL == hwmgr->dyn_state.cac_dtp_table)
+ if (NULL == hwmgr->dyn_state.cac_dtp_table) {
+ kfree(tdp_table);
return -ENOMEM;
+ }
memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size);
--
2.7.3
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