Commit a9a13c73 authored by Thorsten Blum's avatar Thorsten Blum Committed by Jakub Kicinski
Browse files

keys, dns: Use kmalloc_flex to improve dns_resolver_preparse 



Use kmalloc_flex() when allocating a new 'struct user_key_payload' in
dns_resolver_preparse() to replace the open-coded size arithmetic.

Signed-off-by: default avatarThorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260226214930.785423-3-thorsten.blum@linux.dev


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 58e443b7

net/dns_resolver/dns_key.c

+1 −1
Original line number Diff line number Diff line
@@ -215,7 +215,7 @@ dns_resolver_preparse(struct key_preparsed_payload *prep) 
	kdebug("store result");

	prep->quotalen = result_len;



	upayload = kmalloc(sizeof(*upayload) + result_len + 1, GFP_KERNEL);

	upayload = kmalloc_flex(*upayload, data, result_len + 1);

	if (!upayload) {

		kleave(" = -ENOMEM");

		return -ENOMEM;