linux-kernel - [PATCH] PNP: add printf attribute to log function

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Date:   Mon, 21 Dec 2020 08:03:02 -0800
From:   trix@...hat.com
To:     rafael.j.wysocki@...el.com
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] PNP: add printf attribute to log function

From: Tom Rix <trix@...hat.com>

Attributing the function allows the compiler to more thoroughly
check the use of the function with -Wformat and similar flags.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/pnp/interface.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 187e4a1175b0..602c46893e83 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -33,6 +33,7 @@ struct pnp_info_buffer {
 
 typedef struct pnp_info_buffer pnp_info_buffer_t;
 
+__printf(2, 3)
 static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
 {
 	va_list args;
-- 
2.27.0