android/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacld-3.0: Add NLMSG_HDRLEN for each nest

Browse Source 
Currently while calculating skb length for usable
channel list host doesn't consider space needed for
each nla_nest_start. Hence sometime seeing failure
in filling skb because less memory gets allocated.

To address this issue, add NLMSG_HDRLEN size for each
nest.

Change-Id: If630a48bb30e491651c775f5ffdb957626fdbfd9
CRs-Fixed: 3877033
This commit is contained in:
Asutosh Mohapatra 2024-07-22 04:35:25 -07:00 committed by Ravindra Konda
parent 0c2a8ca0ca
commit 1e226d0968
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
core/hdd/src/wlan_hdd_cfg80211.c
View File

@ -19568,7 +19568,13 @@ hdd_send_usable_channel(struct hdd_context *hdd_ctx,
return -EINVAL;
}
skb_len += NLMSG_HDRLEN;
/**
* As each nesting occupies NLMSG_HDRLEN size in the skb, add
* NLMSG_HDRLEN worth space for each nesting.
*/
skb_len += NLMSG_HDRLEN * (count + 1);
skb = wlan_cfg80211_vendor_cmd_alloc_reply_skb(hdd_ctx->wiphy, skb_len);
if (!skb) {
hdd_info("wlan_cfg80211_vendor_cmd_alloc_reply_skb failed");