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keys, dns: Use kmalloc_flex to improve dns_resolver_preparse

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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: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260226214930.785423-3-thorsten.blum@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Thorsten Blum 2026-02-26 22:49:29 +01:00 committed by Jakub Kicinski
parent 58e443b773
commit a9a13c7379
1 changed files with 1 additions and 1 deletions
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2
net/dns_resolver/dns_key.c
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@ -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;