lkml.org 
[lkml]   [2022]   [Dec]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net v2] octeontx2-pf: Fix potential memory leak in otx2_init_tc()
Date
In otx2_init_tc(), if rhashtable_init() failed, it does not free
tc->tc_entries_bitmap which is allocated in otx2_tc_alloc_ent_bitmap().

Fixes: 2e2a8126ffac ("octeontx2-pf: Unify flow management variables")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
---
v2:
- Remove patch 2 which is not a problem, see the following link:
https://www.spinics.net/lists/netdev/msg864159.html
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
index e64318c110fd..6a01ab1a6e6f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
@@ -1134,7 +1134,12 @@ int otx2_init_tc(struct otx2_nic *nic)
return err;

tc->flow_ht_params = tc_flow_ht_params;
- return rhashtable_init(&tc->flow_table, &tc->flow_ht_params);
+ err = rhashtable_init(&tc->flow_table, &tc->flow_ht_params);
+ if (err) {
+ kfree(tc->tc_entries_bitmap);
+ tc->tc_entries_bitmap = NULL;
+ }
+ return err;
}
EXPORT_SYMBOL(otx2_init_tc);

--
2.25.1
\
 
 \ /
  Last update: 2022-12-02 12:05    [W:0.043 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site