linux-kernel - [PATCH] add gcc printf format checks

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Message-Id: <200801061451.22338.deller@gmx.de>
Date:	Sun, 6 Jan 2008 14:51:22 +0100
From:	Helge Deller <deller@....de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] add gcc printf format checks

[PATCH] add gcc printf format checks

trivial patch which adds some missing printf format checking to 
compat.h and msdos_fs.h
Build-tested and no regressions found.

Signed-off-by: Helge Deller <deller@....de>


diff --git a/include/linux/compat.h b/include/linux/compat.h
index 0e69d2c..ce2038f 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -232,7 +232,7 @@ extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
 
 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
 
-extern int compat_printk(const char *fmt, ...);
+extern int compat_printk(const char *fmt, ...) __printf(1,2);
 extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
 
 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,

diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index f950921..651c265 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -419,7 +419,7 @@ extern int fat_fill_super(struct super_block *sb, void *data, int silent,
 extern int fat_flush_inodes(struct super_block *sb, struct inode *i1,
 		            struct inode *i2);
 /* fat/misc.c */
-extern void fat_fs_panic(struct super_block *s, const char *fmt, ...);
+extern void fat_fs_panic(struct super_block *s, const char *fmt, ...) __printf(2,3);
 extern void fat_clusters_flush(struct super_block *sb);
 extern int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster);
 extern int date_dos2unix(unsigned short time, unsigned short date);

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