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([191.255.35.121]) by smtp.gmail.com with ESMTPSA id y24-20020a1709027c9800b001e0d62e077esm11513389pll.247.2024.04.24.02.47.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 02:47:18 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, thuth@redhat.com, alex.bennee@linaro.org, philmd@linaro.org, mjt@tls.msk.ru, ajones@ventanamicro.com, Daniel Henrique Barboza Subject: [PATCH 2/2] checkpatch.pl: forbid strerrorname_np() Date: Wed, 24 Apr 2024 06:47:00 -0300 Message-ID: <20240424094700.453356-3-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240424094700.453356-1-dbarboza@ventanamicro.com> References: <20240424094700.453356-1-dbarboza@ventanamicro.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::534; envelope-from=dbarboza@ventanamicro.com; helo=mail-pg1-x534.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Commit d424db2354 removed an instance of strerrorname_np() because it was breaking building with musl libc. A recent RISC-V patch ended up re-introducing it again by accident. Put this function in the baddies list in checkpatch.pl to avoid this situation again. This is what it will look like next time: $ ./scripts/checkpatch.pl 0001-temp-test.patch ERROR: use strerror() instead of strerrorname_np() #22: FILE: target/riscv/kvm/kvm-cpu.c:1058: + strerrorname_np(errno)); total: 1 errors, 0 warnings, 10 lines checked Signed-off-by: Daniel Henrique Barboza Reviewed-by: Thomas Huth --- scripts/checkpatch.pl | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 7026895074..be0982246d 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3056,6 +3056,10 @@ sub process { } } + if ($line =~ /\bstrerrorname_np\(/) { + ERROR("use strerror() instead of strerrorname_np()\n" . $herecurr); + } + # check for non-portable libc calls that have portable alternatives in QEMU if ($line =~ /\bffs\(/) { ERROR("use ctz32() instead of ffs()\n" . $herecurr);