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Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Cc: kbuild-all@lists.01.org, kernel test robot Subject: [PATCH] nfc: s3fwrn5: fix uninitialized ERRNO variable in probe error message Date: Wed, 28 Jul 2021 14:28:08 +0200 Message-Id: <20210728122808.156961-1-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Commit a0302ff5906a ("nfc: s3fwrn5: remove unnecessary label") removed assignment to "ret" variable but it is used right after in dev_err() in the error path. This fixes clang warning: drivers/nfc/s3fwrn5/firmware.c:424:3: warning: 3rd function call argument is an uninitialized value [clang-analyzer-core.CallAndMessage] Fixes: a0302ff5906a ("nfc: s3fwrn5: remove unnecessary label") Reported-by: kernel test robot Signed-off-by: Krzysztof Kozlowski --- Commit hash a0302ff5906a from net-next (not Linus' tree). --- drivers/nfc/s3fwrn5/firmware.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 1421ffd46d9a..1e506f6be96e 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -421,9 +421,10 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) tfm = crypto_alloc_shash("sha1", 0, 0); if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); dev_err(&fw_info->ndev->nfc_dev->dev, "Cannot allocate shash (code=%d)\n", ret); - return PTR_ERR(tfm); + return ret; } ret = crypto_shash_tfm_digest(tfm, fw->image, image_size, hash_data);