VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Theodore Ts'o <tytso@mit.edu> 2019-05-12 04:56:51 -0400 committer: Theodore Ts'o <tytso@mit.edu> 2019-05-12 04:56:51 -0400 commit: 15f0d8d0bafb0d841dde53af549c4c44b059d7f5 parent: 0ba33facfc9bb556d1938caa67dfe452695a9be9
Commit Summary:
unicode: add missing check for an error return from utf8lookup()
Diffstat:
1 file changed, 2 insertions, 0 deletions
diff --git a/fs/unicode/utf8-norm.c b/fs/unicode/utf8-norm.c
index 20d440c3f2db..801ed6d2ea37 100644
--- 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);
 		}