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authorShen Lichuan <shenlichuan@vivo.com>2024-08-27 15:21:15 +0800
committerJohannes Berg <johannes.berg@intel.com>2024-08-27 10:28:56 +0200
commitd07e1f5c745058d1805e7d8042b9a326b120cb6e (patch)
treec5941072c9bf6c32512349261a817f4a06698e05 /net
parent32bf7729d2e67aed4a6c537bf21d2023e3f39c45 (diff)
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wifi: mac80211: use kmemdup_array instead of kmemdup for multiple allocation
Let the kmemdup_array() take care about multiplication and possible overflows. Using kmemdup_array() is more appropriate and makes the code easier to audit. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Link: https://patch.msgid.link/20240827072115.42680-1-shenlichuan@vivo.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/main.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index a3104b6ea6f0..89084690350f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1051,9 +1051,9 @@ static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
return 0;
/* Driver provides cipher suites, but we need to exclude WEP */
- suites = kmemdup(local->hw.wiphy->cipher_suites,
- sizeof(u32) * local->hw.wiphy->n_cipher_suites,
- GFP_KERNEL);
+ suites = kmemdup_array(local->hw.wiphy->cipher_suites,
+ local->hw.wiphy->n_cipher_suites,
+ sizeof(u32), GFP_KERNEL);
if (!suites)
return -ENOMEM;