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unicode: add missing check for an error return from utf8lookup()

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Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: Gabriel Krisman Bertazi <krisman@collabora.com>
This commit is contained in:
Theodore Ts'o 2019-05-12 04:56:51 -04:00
parent 0ba33facfc
commit 15f0d8d0ba
1 changed files with 2 additions and 0 deletions
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2
fs/unicode/utf8-norm.c
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@ -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);
}