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[217.97.33.231]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2ffdfbb915esm15591811fa.19.2024.12.03.01.19.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Dec 2024 01:19:55 -0800 (PST) From: Bartosz Golaszewski Date: Tue, 03 Dec 2024 10:19:35 +0100 Subject: [PATCH 7/9] crypto: qce - use __free() for a buffer that's always freed Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241203-crypto-qce-refactor-v1-7-c5901d2dd45c@linaro.org> References: <20241203-crypto-qce-refactor-v1-0-c5901d2dd45c@linaro.org> In-Reply-To: <20241203-crypto-qce-refactor-v1-0-c5901d2dd45c@linaro.org> To: Thara Gopinath , Herbert Xu , "David S. Miller" , Stanimir Varbanov Cc: linux-crypto@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1535; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=ToF/xAKlSmUpzxuoLyjBFnBG84QwusKuXFLF6zjeK88=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBnTs0yLFudVleOu9sAuviRn3AuGtiZibobrk6Sq 9x/HvQyEeyJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ07NMgAKCRARpy6gFHHX cnsxD/9NgrACtnn9VoEEsk2ViZMl50jeio6Co3oFr2jFnYJudvDZ8gaiRH5ZdGFP+AkmV7wqZWD Nq9reMo3oAxIiBOWI+dmcloRKRoPvAk9H0iO+Q9U78UtdyLlToKnxdgNJkorjAjWHqRg2irzp/X 2M74v8NKLmR+SueDHf3u2fLWwnV4aoHzsPbAS+3OWYcJmb+/132mPcPla0cwiIbPU+boQ+MEzy5 fUAf39OLEYbbs+129Twr/hvSK8SgdugoQbalnstV/FzxxeJBLvzphsP7YIR9DY1UfTVnKuNs1Ki bEetE5y5PnfPdIxC6FwMq0cVfBGo27uA8OOIzZpy6pJBlcrFVWyKZzihXtVzArb5Tc73bkvQP1C VFFUKW3kEkKFuOiuPBTA9yysEkHlMgHWRgmolrOfHATfn+EPcEyCuEDikfTKke9fxGGGwn/1PYN XfbSYy0GvrXF+Zf/AIWuC9CAIRvEbwWg28aUR8yFLsnSegJOy6+tZ5EP5hfjjUuXD6ypBpsWpVO fUJOaMUqe739riMXfc1A17NOh17rtt0N4Ciux4C90iLiOMZrDd+toLHICPsj16biPVcetwJGmPF Ls7cq0lmM+Bql964apoYR6+LHhOcle5Bb6/JpydHN3CO9N1WBDH1VUxciXkumZ+/myrsysRcPF8 KFM15RixOoEezYQ== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski The buffer allocated in qce_ahash_hmac_setkey is always freed before returning to use __free() to automate it. Signed-off-by: Bartosz Golaszewski --- drivers/crypto/qce/sha.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c index fc72af8aa9a72..916908c04b635 100644 --- a/drivers/crypto/qce/sha.c +++ b/drivers/crypto/qce/sha.c @@ -3,6 +3,7 @@ * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. */ +#include #include #include #include @@ -336,7 +337,6 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, struct scatterlist sg; unsigned int blocksize; struct crypto_ahash *ahash_tfm; - u8 *buf; int ret; const char *alg_name; @@ -370,7 +370,8 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, crypto_req_done, &wait); crypto_ahash_clear_flags(ahash_tfm, ~0); - buf = kzalloc(keylen + QCE_MAX_ALIGN_SIZE, GFP_KERNEL); + u8 *buf __free(kfree) = kzalloc(keylen + QCE_MAX_ALIGN_SIZE, + GFP_KERNEL); if (!buf) { ret = -ENOMEM; goto err_free_req; @@ -382,7 +383,6 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, ret = crypto_wait_req(crypto_ahash_digest(req), &wait); - kfree(buf); err_free_req: ahash_request_free(req); err_free_ahash: -- 2.45.2