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authorThorsten Blum <thorsten.blum@linux.dev>2026-02-26 22:49:29 +0100
committerJakub Kicinski <kuba@kernel.org>2026-02-28 08:48:21 -0800
commita9a13c7379ec577e676dca57aa2d7b7980aaa05b (patch)
tree0ee2f6c51285c89172801290b9e49d517fcab617
parent58e443b773ef054ae069cf777ba19adb99d73829 (diff)
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: 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>
-rw-r--r--net/dns_resolver/dns_key.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index c42ddd85ff1f..891287a86979 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -215,7 +215,7 @@ store_result:
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;