diff options
| author | MichelleJin <shjy180909@gmail.com> | 2021-09-27 06:34:57 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-09-28 14:59:24 +0300 |
| commit | f43bed7193a36b1b4f73212ee0069f9113816856 (patch) | |
| tree | 644296520f535792541f5417ee903ff24788a732 /net | |
| parent | f04ed7d277e842af9934b71b529341d1ba31a9c1 (diff) | |
| download | linux-f43bed7193a36b1b4f73212ee0069f9113816856.tar.xz | |
net: mac80211: check return value of rhashtable_init
When rhashtable_init() fails, it returns -EINVAL.
However, since error return value of rhashtable_init is not checked,
it can cause use of uninitialized pointers.
So, fix unhandled errors of rhashtable_init.
Signed-off-by: MichelleJin <shjy180909@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/mesh_pathtbl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index efbefcbac3ac..7cab1cf09bf1 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -60,7 +60,10 @@ static struct mesh_table *mesh_table_alloc(void) atomic_set(&newtbl->entries, 0); spin_lock_init(&newtbl->gates_lock); spin_lock_init(&newtbl->walk_lock); - rhashtable_init(&newtbl->rhead, &mesh_rht_params); + if (rhashtable_init(&newtbl->rhead, &mesh_rht_params)) { + kfree(newtbl); + return NULL; + } return newtbl; } |