linux-kernel - [PATCH] hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead

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Message-ID: <1427428030.15849.45.camel@perches.com>
Date:	Thu, 26 Mar 2015 20:47:10 -0700
From:	Joe Perches <joe@...ches.com>
To:	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] hpfs: hpfs_error: Remove static buffer, use vsprintf
 extension %pV instead

Removing unnecessary static buffers is good.
Use the vsprintf %pV extension instead.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 fs/hpfs/super.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 7cd00d3..f445d15 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -52,17 +52,20 @@ static void unmark_dirty(struct super_block *s)
 }
 
 /* Filesystem error... */
-static char err_buf[1024];
-
 void hpfs_error(struct super_block *s, const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
 
 	va_start(args, fmt);
-	vsnprintf(err_buf, sizeof(err_buf), fmt, args);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	pr_err("filesystem error: %pV", &vaf);
+
 	va_end(args);
 
-	pr_err("filesystem error: %s", err_buf);
 	if (!hpfs_sb(s)->sb_was_error) {
 		if (hpfs_sb(s)->sb_err == 2) {
 			pr_cont("; crashing the system because you wanted it\n");


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