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crypto: lib/aesgcm - Reduce stack usage in libaesgcm_init

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The stack frame in libaesgcm_init triggers a size warning on x86-64.
Reduce it by making buf static.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2024-12-21 22:52:27 +08:00
parent 7b6092ee7a
commit de662429f3
1 changed files with 1 additions and 1 deletions
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lib/crypto/aesgcm.c
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@@ -697,7 +697,7 @@ static int __init libaesgcm_init(void)
u8 tagbuf[AES_BLOCK_SIZE];
int plen = aesgcm_tv[i].plen;
struct aesgcm_ctx ctx;
u8 buf[sizeof(ptext12)];
static u8 buf[sizeof(ptext12)];
if (aesgcm_expandkey(&ctx, aesgcm_tv[i].key, aesgcm_tv[i].klen,
aesgcm_tv[i].clen - plen)) {