Patch "hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead" has been added to the 4.1-stable tree

[<gregkh@linuxfoundation.org>]

This is a note to let you know that I've just added the patch titled

    hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead

to the 4.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hpfs-hpfs_error-remove-static-buffer-use-vsprintf-extension-pv-instead.patch
and it can be found in the queue-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From a28e4b2b18ccb90df402da3f21e1a83c9d4f8ec1 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 26 Mar 2015 20:47:10 -0700
Subject: hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead

From: Joe Perches <joe@perches.com>

commit a28e4b2b18ccb90df402da3f21e1a83c9d4f8ec1 upstream.

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

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mikulas Patocka <mikulas@twibright.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/hpfs/super.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -52,17 +52,20 @@ 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");


Patches currently in stable-queue which might be from joe@perches.com are

queue-4.1/hpfs-hpfs_error-remove-static-buffer-use-vsprintf-extension-pv-instead.patch