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seq_file: Mark binary printing functions with __printf() attribute

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Binary printing functions are using printf() type of format, and compiler
is not happy about them as is:

fs/seq_file.c:418:35: error: function ‘seq_bprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format]

Fix the compilation errors by adding __printf() attribute.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20250321144822.324050-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Andy Shevchenko 2025-03-21 16:40:48 +02:00 committed by Petr Mladek
parent 079a206f51
commit 6b2c1e30ad
1 changed files with 1 additions and 0 deletions
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include/linux/seq_file.h
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@ -181,6 +181,7 @@ int seq_open_private(struct file *, const struct seq_operations *, int);
int seq_release_private(struct inode *, struct file *); int seq_release_private(struct inode *, struct file *);
#ifdef CONFIG_BINARY_PRINTF #ifdef CONFIG_BINARY_PRINTF
__printf(2, 0)
void seq_bprintf(struct seq_file *m, const char *f, const u32 *binary); void seq_bprintf(struct seq_file *m, const char *f, const u32 *binary);
#endif #endif