From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 1 Jul 2021 01:55:43 +0000 (-0700)
Subject: nfsd: avoid non-flexible API in seq_quote_mem()
X-Git-Tag: howlett/maple/20220722_2~2852^2~31
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c0546391c20f01ca98c6fa42c8cd9e247599550a;p=users%2Fjedix%2Flinux-maple.git

nfsd: avoid non-flexible API in seq_quote_mem()

The seq_escape_mem_ascii() is completely non-flexible and shouldn't be
used.  Replace it with properly called seq_escape_mem().

Link: https://lkml.kernel.org/r/20210504180819.73127-15-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b517a8794400e..cd5eac2ba0546 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2351,7 +2351,7 @@ static struct nfs4_client *get_nfsdfs_clp(struct inode *inode)
 static void seq_quote_mem(struct seq_file *m, char *data, int len)
 {
 	seq_printf(m, "\"");
-	seq_escape_mem_ascii(m, data, len);
+	seq_escape_mem(m, data, len, ESCAPE_HEX | ESCAPE_NAP | ESCAPE_APPEND, "\"\\");
 	seq_printf(m, "\"");
 }