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Miller" Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , linux-crypto@vger.kernel.org Subject: [PATCH 1/2] crypto: caam - Use struct_size() Date: Sat, 22 Jul 2023 16:53:58 +0200 Message-Id: <0fc02b533bd3c3422bec5856bc65bbb66ebf7b58.1690037578.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772139829226764141 X-GMAIL-MSGID: 1772139829226764141 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 Reviewed-by: Gaurav Jain --- drivers/crypto/caam/caamhash.c | 3 +-- 1 file changed, 1 insertion(+), 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;