lkml.org 
[lkml]   [2019]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] net: flow_offload: fix memory leak in nfp_abm_u32_knode_replace
Date
In nfp_abm_u32_knode_replace if the allocation for match fails it should
go to the error handling instead of returning.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
Changes in v2:
- Reused err variable for erorr value returning.
---
drivers/net/ethernet/netronome/nfp/abm/cls.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/abm/cls.c b/drivers/net/ethernet/netronome/nfp/abm/cls.c
index 23ebddfb9532..b0cb9d201f7d 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/cls.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/cls.c
@@ -198,14 +198,18 @@ nfp_abm_u32_knode_replace(struct nfp_abm_link *alink,
if ((iter->val & cmask) == (val & cmask) &&
iter->band != knode->res->classid) {
NL_SET_ERR_MSG_MOD(extack, "conflict with already offloaded filter");
+ err = -EOPNOTSUPP;
goto err_delete;
}
}

if (!match) {
match = kzalloc(sizeof(*match), GFP_KERNEL);
- if (!match)
- return -ENOMEM;
+ if (!match) {
+ err = -ENOMEM;
+ goto err_delete;
+ }
+
list_add(&match->list, &alink->dscp_map);
}
match->handle = knode->handle;
@@ -221,7 +225,7 @@ nfp_abm_u32_knode_replace(struct nfp_abm_link *alink,

err_delete:
nfp_abm_u32_knode_delete(alink, knode);
- return -EOPNOTSUPP;
+ return err;
}

static int nfp_abm_setup_tc_block_cb(enum tc_setup_type type,
--
2.17.1
\
 
 \ /
  Last update: 2019-09-26 04:23    [W:0.075 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site