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Tue, 01 Jul 2025 21:27:27 -0700 (PDT) Received: from google.com ([2620:15c:9d:2:918b:9ece:525a:9158]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23acb39f34dsm119500145ad.130.2025.07.01.21.27.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jul 2025 21:27:26 -0700 (PDT) Date: Tue, 1 Jul 2025 21:27:24 -0700 From: Dmitry Torokhov To: linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH] lib/vsprintf: include stdarg.h from sprintf.h to provide va_list Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Declarations in sprintf.h use va_list so it needs to include stdarg.h, otherwise we may be getting warnings like this: ./include/linux/sprintf.h:11:54: error: type specifier missing, defaults to= 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] 11 | __printf(2, 0) int vsprintf(char *buf, const char *, va_list); | ^ | int Fixes: 39ced19b9e60 ("lib/vsprintf: split out sprintf() and friends") Signed-off-by: Dmitry Torokhov Reviewed-by: Andy Shevchenko --- Can I take it through my tree if acked? include/linux/sprintf.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/sprintf.h b/include/linux/sprintf.h index 51cab2def9ec..9ec0033f4106 100644 --- a/include/linux/sprintf.h +++ b/include/linux/sprintf.h @@ -3,6 +3,7 @@ #define _LINUX_KERNEL_SPRINTF_H_ =20 #include +#include #include =20 int num_to_str(char *buf, int size, unsigned long long num, unsigned int w= idth); --=20 2.50.0.727.gbf7dc18ff4-goog --=20 Dmitry