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Groups > linux.kernel > #1360789

[PATCH] drm/amd/powerplay: fix memory leak of tdp_table

From Colin King <colin.king@canonical.com>
Newsgroups linux.kernel
Subject [PATCH] drm/amd/powerplay: fix memory leak of tdp_table
Date 2016-03-18 17:50 +0100
Message-ID <re5L4-23u-25@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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From: Colin Ian King <colin.king@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@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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[PATCH] drm/amd/powerplay: fix memory leak of tdp_table Colin King <colin.king@canonical.com> - 2016-03-18 17:50 +0100
  Re: [PATCH] drm/amd/powerplay: fix memory leak of tdp_table Alex Deucher <alexdeucher@gmail.com> - 2016-03-18 20:20 +0100

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