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unicode: add missing check for an error return from utf8lookup()
author
Theodore Ts'o
<tytso@mit.edu>
Sun, 12 May 2019 08:56:51 +0000
(
04:56
-0400)
committer
Theodore Ts'o
<tytso@mit.edu>
Sun, 12 May 2019 08:56:51 +0000
(
04:56
-0400)
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: Gabriel Krisman Bertazi <krisman@collabora.com>
fs/unicode/utf8-norm.c
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diff --git
a/fs/unicode/utf8-norm.c
b/fs/unicode/utf8-norm.c
index
20d440c
..
801ed6d
100644
(file)
--- a/
fs/unicode/utf8-norm.c
+++ b/
fs/unicode/utf8-norm.c
@@
-714,6
+714,8
@@
int utf8byte(struct utf8cursor *u8c)
}
leaf = utf8lookup(u8c->data, u8c->hangul, u8c->s);
+ if (!leaf)
+ return -1;
ccc = LEAF_CCC(leaf);
}