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authorHyunchul Lee <cheol.lee@lge.com>2017-03-15 04:31:04 +0300
committerRichard Weinberger <richard@nod.at>2017-03-30 10:27:47 +0300
commite328379a18c5293c123bc56c32f19f9365384686 (patch)
treeb5d7fc0e8fa66cd8f944bad0589d39e55e564d90 /fs/ubifs
parentb20e2d9999506bb445e9958efa407e84d1a579cc (diff)
downloadlinux-e328379a18c5293c123bc56c32f19f9365384686.tar.xz
ubifs: Fix debug messages for an invalid filename in ubifs_dump_node
if a character is not printable, print '?' instead of that. Signed-off-by: Hyunchul Lee <cheol.lee@lge.com> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs')
-rw-r--r--fs/ubifs/debug.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 1e712a364680..b14c06f47a96 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -32,6 +32,7 @@
#include <linux/math64.h>
#include <linux/uaccess.h>
#include <linux/random.h>
+#include <linux/ctype.h>
#include "ubifs.h"
static DEFINE_SPINLOCK(dbg_lock);
@@ -464,7 +465,8 @@ void ubifs_dump_node(const struct ubifs_info *c, const void *node)
pr_err("(bad name length, not printing, bad or corrupted node)");
else {
for (i = 0; i < nlen && dent->name[i]; i++)
- pr_cont("%c", dent->name[i]);
+ pr_cont("%c", isprint(dent->name[i]) ?
+ dent->name[i] : '?');
}
pr_cont("\n");