quota: Use %pV and __attribute__((format (printf in __quota_error and fix fallout
Use %pV in __quota_error so a single printk can not be
interleaved with other logging messages.
Add __attribute__((format (printf, 3, 4))) so format
and arguments can be verified by compiler.
Make sure printk formats and arguments match.
Block # needed a pointer dereference.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 0fed41e..84becd3 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -133,16 +133,20 @@
EXPORT_SYMBOL(dq_data_lock);
void __quota_error(struct super_block *sb, const char *func,
- const char *fmt, ...)
+ const char *fmt, ...)
{
- va_list args;
-
if (printk_ratelimit()) {
+ va_list args;
+ struct va_format vaf;
+
va_start(args, fmt);
- printk(KERN_ERR "Quota error (device %s): %s: ",
- sb->s_id, func);
- vprintk(fmt, args);
- printk("\n");
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk(KERN_ERR "Quota error (device %s): %s: %pV\n",
+ sb->s_id, func, &vaf);
+
va_end(args);
}
}