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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2023-07-22 16:53:58 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2023-07-28 12:20:25 +0200
commit6df04505f3b285f3bcfe81cf0461339b0f4ed41d (patch)
tree97c1e28558da268de45166b20a48f1e065511d13
parenthwrng: cn10k - use dev_err_probe (diff)
downloadlinux-6df04505f3b285f3bcfe81cf0461339b0f4ed41d.tar.xz
linux-6df04505f3b285f3bcfe81cf0461339b0f4ed41d.zip
crypto: caam - Use struct_size()
Use struct_size() instead of hand-writing it, when allocating a structure with a flex array. This is less verbose, more robust and more informative. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/crypto/caam/caamhash.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 80deb003f0a5..9e5924e24f2e 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -708,9 +708,8 @@ static struct ahash_edesc *ahash_edesc_alloc(struct ahash_request *req,
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
GFP_KERNEL : GFP_ATOMIC;
struct ahash_edesc *edesc;
- unsigned int sg_size = sg_num * sizeof(struct sec4_sg_entry);
- edesc = kzalloc(sizeof(*edesc) + sg_size, flags);
+ edesc = kzalloc(struct_size(edesc, sec4_sg, sg_num), flags);
if (!edesc) {
dev_err(ctx->jrdev, "could not allocate extended descriptor\n");
return NULL;