summaryrefslogtreecommitdiff
path: root/net/wireless
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2024-06-20 13:02:22 -0700
committerJakub Kicinski <kuba@kernel.org>2024-06-20 13:49:59 -0700
commita6ec08beec9ea93f342d6daeac922208709694dc (patch)
treee14f4b7f0133e63a20a27baea37506abeba3bb95 /net/wireless
parenta012f9a752a5856b29610057c76079fbdbe02abf (diff)
parentd5a7fc58da039903b332041e8c67daae36f08b50 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt.c 1e7962114c10 ("bnxt_en: Restore PTP tx_avail count in case of skb_pad() error") 165f87691a89 ("bnxt_en: add timestamping statistics support") No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/scan.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2f2a3163968a..0222ede0feb6 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -3416,10 +3416,14 @@ int cfg80211_wext_siwscan(struct net_device *dev,
wiphy = &rdev->wiphy;
/* Determine number of channels, needed to allocate creq */
- if (wreq && wreq->num_channels)
+ if (wreq && wreq->num_channels) {
+ /* Passed from userspace so should be checked */
+ if (unlikely(wreq->num_channels > IW_MAX_FREQUENCIES))
+ return -EINVAL;
n_channels = wreq->num_channels;
- else
+ } else {
n_channels = ieee80211_get_num_supported_channels(wiphy);
+ }
creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) +
n_channels * sizeof(void *),
@@ -3493,8 +3497,10 @@ int cfg80211_wext_siwscan(struct net_device *dev,
memcpy(creq->ssids[0].ssid, wreq->essid, wreq->essid_len);
creq->ssids[0].ssid_len = wreq->essid_len;
}
- if (wreq->scan_type == IW_SCAN_TYPE_PASSIVE)
+ if (wreq->scan_type == IW_SCAN_TYPE_PASSIVE) {
+ creq->ssids = NULL;
creq->n_ssids = 0;
+ }
}
for (i = 0; i < NUM_NL80211_BANDS; i++)