2015-06-28 13:22:38

by Mikulas Patocka

[permalink] [raw]
Subject: [PATCH] hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead

From: Joe Perches <[email protected]>
Date: Thu, 26 Mar 2015 20:47:10 -0700

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

Signed-off-by: Joe Perches <[email protected]>
Signed-off-by: Mikulas Patocka <[email protected]>
Cc: [email protected] # v2.6.36+
---
fs/hpfs/super.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

Index: linux-4.1/fs/hpfs/super.c
===================================================================
--- linux-4.1.orig/fs/hpfs/super.c 2015-06-22 21:28:15.000000000 +0200
+++ linux-4.1/fs/hpfs/super.c 2015-06-22 21:28:25.000000000 +0200
@@ -53,17 +53,20 @@ static void unmark_dirty(struct super_bl
}

/* 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");