[PATCH] 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@xxxxxxxxxxxxxxxxxxx>

diff --git a/lib/crypto/aesgcm.c b/lib/crypto/aesgcm.c
index 6bba6473fdf3..902e49410aaf 100644
--- a/lib/crypto/aesgcm.c
+++ b/lib/crypto/aesgcm.c
@@ -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)) {
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt




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